Choose from four color options: light/dark grey, white, or navy. Our breathable, sweat-free covers are made of 60% polyester, 40% bamboo-derived viscose and are easily washable. Measuring 24 x 24 x 7.5 inches, the wedge pillow alleviates back or neck pain, acid reflux, and more. Its curved design supports multiple positions, made with dense memory foam for lasting comfort. Risk-free purchase with a full refund guarantee.