Back Level Tm Back Pillow. Back Support While You Sleep, Design Bridges the Vacuum Between the Flat Surface of the Bed and Your Spine, Giving You More Comfort, and Support While You Sleep Thus, Reducing Your Overall Back Pains. Back Support while you sleep. Back Leveldesign bridges the vacuum between the flat surface of the bed and your spine, giving you more comfort, and support while you sleep Back Levelis designed to give 360 degrees of lumbar support while lying on our back, side, or stomach! This cushion is equipped with intelligently designed foam that can resist common bugs as well as allergens. Back Leveluses bamboo fabric. This fabric is porous thus gives your skin cooler dry sensation. Supports Lumbar Back while sleeping. Improve Sleeping Posture. Reduces Lumbar uncomfort. Lumbar Spinal Support while sleeping. Support head and neck. Support on Sofas and Chairs. Support under knees.