Vipbear Sturdy 4-inch mattress, memory foam top, high-density foam mattress, skin-friendly cover, cooling gel bamboo charcoal injection, grey

Firmness to extra firmness optional firmness level: The reversible top of these two firmness levels is specially designed for firmness to extra firmness. It is very suitable for people who suffer from lower back pain due to insufficient spinal support. If you are looking for an (extra) sturdy mattress top that perfectly balances comfort and support, this will be the right choice for you! Upgraded 2-layer design: 4-inch memory foam mattress, 1-inch cooling and ventilation gel memory foam, 3-inch high-density bamboo foam memory foam. It has more support than a 3-inch mattress, does not deform, and gives you a "just right" sense of sturdiness. Bamboo charcoal memory foam effectively keeps the environment fresh and odorless. Skin-friendly bamboo cover anti-slip: Foam mattress, breathable bamboo fiber detachable cover, skin-friendly and soft, allowing you to enjoy a refreshing sleep at night. Anti-slip beads and adjustable elastic bands are covered to ensure a safe fit. The zipper is closed for easy disassembly and washing.