Sleep, Lounge, Repeat! 💤 Easily folds for storage or travel, perfect for small spaces. Versatile design adapts from bed to lounge chair effortlessly. High-density foam provides exceptional support and elasticity. CertiPUR-US certified for safety and durability. Removable, machine-washable cover for hassle-free cleaning. Portable design Machine washable cover 4" thickness The SINWEEK Tri Folding Mattress is a versatile 4-inch foldable foam topper designed for comfort and convenience. Measuring 31 x 75 inches, it features a portable design with a machine-washable cover and waterproof lining, making it ideal for guests, gaming, camping, and more. CertiPUR-US certified, this mattress ensures quality and safety for all your lounging needs.