330LBS High Back Mesh Office Chair with Flip-up Armrests & Lumbar Support Black-One Size 20.5*25*40

ERGONOMIC WORK CHAIR: The reliable office chair is purpose-built to encourage good posture. The backrest fits the shape of the human spine. In addition, it provides head/shoulder/back/ hips/ hands supporting points and proper lumbar support, thus reducing strain on your back, promoting proper posture, relieving the pressure on the buttocks. Ideal for home office, student study, executive work, reading and gaming scenarios.
SPACE-SAVING DESIGN WITH FLIP-UP ARMS: Easily tuck the chair under your desk with 90° flip-up armrests—ideal for small spaces. The padded arms are made of high-density foam wrapped in breathable mesh, offering a soft, supportive feel for all-day use.
ADJUSTABLE HEIGHT & TILTING FUNCTION: Find your perfect sitting position with 4" of seat height adjustment and a backrest that tilts up to 135° for a relaxing angle. Please note: the chair rocks back but does not lock in a reclined position—it returns upright automatically.
BREATHABLE MESH & CUSTOM LUMBAR SUPPORT: Stay cool and supported during long hours with a ventilated mesh back and a 3-inch thick high-density foam seat cushion. The lumbar support adjusts to three height levels to fit your spine and reduce back strain from extended sitting.
EASE OF ASSEMBLY: The home and office chair comes with installation tools and detailed instructions, even one person can assemble the perfect chair in just 15 minutes. 
FABRIC CUSHION: The thick, fabric-padded seat of the budget office chair is well cushioned, anyone with back problems will appreciate the soft and comfortable seat experience. The fabric cushion and mesh back work in harmony to support your back without smothering your body
360 DEGREE MOVEMENT AND STABILITY: The task chair uses smooth casters that can swivel horizontally 360° without resistance，low noise, so it won't hurt the floor while moving. It also moves smoothly on tile, wood, carpet and other floors
Dimensions: Suitable for people of about 5'5" to 6'2". Overall dimensions (including arms):25.5" W x 20" D x 43.3"-47.3",Height adjustable up to 4 inches. Seat dimensions: 19.5"L x 20.5"W x 3.1"D