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The Casper Foundation - 2 of 4The Casper Foundation - 3 of 4The Casper Foundation - 4 of 4
The Casper Foundation - 1 of 4

The Casper Foundation - Twin

$299.00

In Stock

Eligible for registries and wish lists

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About this item

Highlights

  • Easy to assemble without tools
  • Slats are positioned a perfect four inches apart for optimal support
  • Can be quickly disassembled if you are moving or need to maneuver around tight corners
  • Designed in the USA, Assembled in China
  • 120-night risk-free trial

Description

The foundation provides excellent support under any mattress (especially a Casper!) and can be assembled in minutes.

ABOUT CASPER
Casper was created to re-imagine sleep from the ground up, beginning with its obsessively engineered, outrageously comfortable mattress. All of Casper's sleep products are developed in-house by the company's award-winning R&D team.

Casper was recently named one of Fast Company's Most Innovative Companies in the World and its eponymous mattress was crowned one of TIME Magazine's Best Inventions.

FAQs
What is the 120-Night Trial?
We believe you should actually sleep on a product to decide if you like it. So we give you 120 nights to test out all Casper products in your own home. If you don't love it, we'll give you a full refund.

Why does the Casper need a foundation?
The foundation helps support the Casper while optimizing air flow to ensure a restful night's sleep.

Can I put the foundation on the floor?
We do not recommend putting the foundation directly on the floor as doing so can cause wear to the chambray cover.
Dimensions (Overall): 7.5 Inches (H) x 37.5 Inches (W) x 74 Inches (D)
Weight: 51 Pounds
Material: MDF Composite (Medium-Density Fiberboard) (Frame)
Textile Material: 90% Polyester, 10% Polypropylene
Assembly Details: Adult Assembly Required, No Tools Needed
Industry or Government Certifications: Not Listed or Certified
Battery: No Battery Used
Care & Cleaning: Spot or Wipe Clean
Warranty: 2 Year Limited Warranty. To obtain a copy of the manufacturer's or supplier's warranty for this item prior to purchasing the item, please call Target Guest Services at 1-800-591-3869
Street Date: June 18, 2017
TCIN: 52375235
UPC: 192472004768
Item Number (DPCI): 010-02-0024
Origin: Imported
If the item details aren’t accurate or complete, we want to know about it.

all-mattress

mattress
Mattress Size Average Mattress Dimensions
Twin 39" x 75"
Twin XL 39" x 80"
Full 54" x 75"
Queen 60" x 80"
King 76" x 80"
California King 72" x 84"

All Sizes in Inches Unless Otherwise Stated

Shipping details

Estimated ship dimensions: 70.39 inches length x 17 inches width x 9.13 inches height
Estimated ship weight: 57 pounds
We regret that this item cannot be shipped to PO Boxes.
This item cannot be shipped to the following locations: American Samoa (see also separate entry under AS), Guam (see also separate entry under GU), Northern Mariana Islands, Puerto Rico (see also separate entry under PR), United States Minor Outlying Islands, Virgin Islands, U.S., APO/FPO, Alaska, Hawaii
This item ships in its manufacturer’s packaging, revealing what’s inside. ·

Return details

This item can be returned to any Target store or Target.com.
This item must be returned within 90 days of the date it was purchased in store, delivered to the guest, delivered by a Shipt shopper, or picked up by the guest.
See the return policy for complete information.
Guests who order a new mattress, mattress set, futon or futon mattress for delivery to an address in California may be eligible to schedule pickup of a used mattress, mattress set or futon mattress. Please refer to California Used Mattress Recovery Act for more information.See more details.

Q: If I am not happy with this product, can it be returned?

submitted by Jenny S - 3 years ago

  • A: Hi there! You can return this item to Target within 30-days of purchase.

    submitted byCasper Sleep Team - 3 years ago
    Brand expert

Q: how much weight can a queen sized foundation hold?

submitted by TT - 3 years ago

  • A: Hi there, our Foundation has been tested to withhold at up to 750 lbs. We hope this helps.

    submitted byCasper Sleep Team - 3 years ago
    Brand expert

Q: What is the reason that this foundation should not be placed on the floor or carpet? One of your answers said, "We don't recommend placing the foundation directly on the floor, even a carpeted one!"

submitted by MX - 3 years ago

  • A: Great question, placing your foundation directly on the floor may not allow for sufficient airflow. When airflow is restricted this can sometimes lead to mold and mildew growth which risks damaging the integrity of the foundation. That being said, placing your foundation directly on the floor will void your warranty.

    submitted byCasper Sleep Team - 3 years ago
    Brand expert

Q: Hello, does this foundation allow to add individual legs direction to the base?

submitted by mga - 4 years ago

  • A: We do not suggest adding legs to your foundation. The foundation works much like a box spring and should be placed on a frame.

    submitted byCasper Sleep Team - 4 years ago
    Brand expert

Q: If getting a hybrid is the foundation needed or can one use standard box spring?

submitted by RetinChs - 6 years ago

  • A: A foundation ensures that mattresses sleep like they should. Some older box springs or foundations don’t provide a solid surface, causing mattresses to sag from the breaks in support. A strong and level foundation helps mattresses to perform at their peak for a decade or more, no matter what kind of bed frame they sit on. Casper foundations and mattresses (including our hybrids) are the perfect pair. We spent over a year developing the Casper foundation, so its design has the same considerations as our mattresses. It comes in the classic Casper chambray, so it goes perfectly with the rest of the Casper products.

    submitted byCasper Sleep Team - 6 years ago
    Brand expert

Q: If you have a king size bed frame with a wooden support in center, should you purchase two twin XL foundations

submitted by Sue - 6 years ago

  • A: We recommend purchasing the King Foundation! It should position itself perfectly on the bed frame and the sturdy construction of the King Foundation is the ideal setup for any Casper mattress.

    submitted byCasper Sleep Team - 6 years ago
    Brand expert

Q: Hi, does the foundation fold up? This may be a dumb question as I know that is what your company is known for--but just making sure! We have a very tight space this needs to get into!

submitted by Tina - 7 years ago

  • A: Hello, Tina! That is absolutely not a dumb question considering that traditional boxsprings are such a pain to fit in tight spaces! Our foundation comes disassembled and packaged in a box that will fit through doorways and up tight staircases. Putting it together requires no tools, either. Plus, if you ever need to move it, you can easily disassemble it again. For reference, here are the foundation box dimensions and weights for each size: Twin: 70.5” x 17” x 10”, 57 lbs Twin XL: 75.5” x 17 “x 10”, 58 lbs Full: 70.5” x 17” x 10", 63 lbs Queen: 75.5” x 17" x 10”, 68 lbs King: 77” x 17” x 10”, 81 lbs Cal King: 79.5” x 17” x 10”, 80 lbs

    submitted byCasper Sleep Team - 7 years ago
    Brand expert

Q: Can you please tell me the measurement between each slat? Thank you Kat

submitted by Kat - 7 years ago

  • A: Hi, Kat! There are 4 inches of space in between each slat in the Casper foundation.

    submitted byCasper Sleep Team - 7 years ago
    Brand expert

Q: I don't see in the information, how many inches high the base is. ??

submitted by Pat - 7 years ago

  • A: Hi, Pat! The Foundation is 7.5 inches tall.

    submitted byCasper Sleep Team - 7 years ago
    Brand expert

Q: Can the Casper Foundation be used withe a platform bed?

submitted by Mary - 8 years ago

  • A: Hi, Mary! The Casper foundation can be used with any bed that can accommodate a boxspring, including many platform beds.

    submitted byCasper Sleep Team - 8 years ago
    Brand expert
See all questions (16)

Additional product information and recommendations

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Guests are saying

This foundation is praised for its easy assembly and compatibility with various bed frames, making it a convenient choice for guests. Many appreciate its sturdy construction and the support it provides for mattresses, enhancing sleep quality. While some guests noted issues with slats moving and firmness levels, the overall feedback highlights its modern design and practicality, making it a solid investment for a restful night's sleep.
    Summary created by AI from text of reviews reflecting recent feedback provided across different star ratings (includes incentivized reviews)
    4.7 out of 5 stars with 618 reviews
    100% would recommend
    16 recommendations
    5 out of 5 stars
    21 February, 2026
    originally posted on casper.com
    Image

    Perfect one

    Perfect one
    Annick D.
    Did you find this review helpful?
    5 out of 5 stars
    21 February, 2026
    originally posted on casper.com
    Image

    So far so good.

    So far so good.
    Peter L.
    Did you find this review helpful?
    5 out of 5 stars
    18 February, 2026
    originally posted on casper.com
    Image

    Easy to assemble

    Easy to assemble
    Joseph S.
    Did you find this review helpful?
    4 out of 5 stars
    15 February, 2026
    originally posted on casper.com
    Image

    put together easily, one of

    put together easily, one of the corners did not fit together like the other 3, very strange.
    Thomas A.
    Did you find this review helpful?
    2 out of 5 stars
    15 February, 2026
    originally posted on casper.com
    Image

    Easy set up

    Foundation was easy to set up. Just be sure that all the slats are properly placed. This is not difficult.
    Lyle Z.
    Did you find this review helpful?
    4 out of 5 stars
    13 February, 2026
    originally posted on casper.com
    Image

    simple to assemble

    Have never seen a foundation such as this with cross-boards embedded in some form of cloth side by side with perhaps 1/2 to 1 inch between each slat. Only 4 pegs hold the corners together and sits on top of the existing frame (including old slats). It would likely fit better if the old frames were replaced with Casper frames. . . . but no way to know for sure.
    Michael M.
    Did you find this review helpful?
    5 out of 5 stars
    10 February, 2026
    originally posted on casper.com
    Image

    Great product. This is my second foundation from casper.

    Great product. This is my second foundation from Casper. Really expensive but well built will last forever.
    Harry G.
    Did you find this review helpful?
    3 out of 5 stars
    9 February, 2026
    originally posted on casper.com
    Image

    Bad experience

    We were not sold appropriate foundation for mattress
    Roger W.
    Did you find this review helpful?
    5 out of 5 stars
    24 January, 2026
    originally posted on casper.com
    Image

    Very comfortable. Love my new

    Very comfortable. Love my new bed!
    Deborah A.
    Did you find this review helpful?
    5 out of 5 stars
    22 January, 2026
    originally posted on casper.com
    Image

    easy and fair price

    easy and fair price
    Thea L.
    Did you find this review helpful?
    1 out of 5 stars
    22 January, 2026
    originally posted on casper.com
    Image

    I want to return my

    I want to return my foundation and mattress. They do not work for me unfortunately.
    Lee H.
    Did you find this review helpful?
    5 out of 5 stars
    20 January, 2026
    originally posted on casper.com
    Image

    It is so easy to

    It is so easy to put together. I had all the tools I thought I’d need and never touched them. Great design.
    Matt S.
    Did you find this review helpful?
    5 out of 5 stars
    20 January, 2026
    originally posted on casper.com
    Image

    great

    great
    Nancy R.
    Did you find this review helpful?
    5 out of 5 stars
    18 January, 2026
    originally posted on casper.com
    Image

    Love, love, love my Casper

    Love, love, love my Casper Mattresses and Foundations! Casper’s Dream Team, Ashton in Sales and Miguel in Support, added to the Dream Experience! In fact, Ashton, call me…I’m ready for my 4th Dream set (with hopefully a nice discount)! Thank you!
    Judith J.
    Did you find this review helpful?
    5 out of 5 stars
    14 January, 2026
    originally posted on casper.com
    Image

    Easy to install and comfortable

    Easy to install and comfortable
    Wayne K.
    Did you find this review helpful?
    5 out of 5 stars
    7 January, 2026
    originally posted on casper.com
    Image

    Strong, sturdy and pretty

    Strong, sturdy and pretty
    Joann C.
    Did you find this review helpful?
    1 out of 5 stars
    5 January, 2026
    originally posted on casper.com
    Image

    Too low to floor

    Too low to floor
    Christina S.
    Did you find this review helpful?
    1 out of 5 stars
    5 January, 2026
    originally posted on casper.com
    Image

    Can I return my mattress

    Can I return my mattress I don’t like it.
    Mohammad C.
    Did you find this review helpful?
    4 out of 5 stars
    4 January, 2026
    originally posted on casper.com
    Image

    Simple to assemble after trying

    Simple to assemble after trying a couple of times as there wasn’t instructions in the box. The mattress support boards did not lie flat since the middle support beam sat a fraction higher than the edges. I actually need one that is half that height as my bed frame sits fairly high, so I need to hop up to get on.
    Joan L.
    Did you find this review helpful?
    5 out of 5 stars
    4 January, 2026
    originally posted on casper.com
    Image

    Incredible addition to the mattress.

    Incredible addition to the mattress. Should have bought sooner!!
    francisco b.
    Did you find this review helpful?

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