1/ Ergonomic Design: dome shaped design helps distribute weight evenly to relieve tension on your feet and legs when sitting for long periods of time. 2/ Highest Quality: made from Hypo-allergenic Medical-Grade Foam that Won't Breakdown After Usenot easy to deform. 3/ A Functional Cover: the cover is easily removable with full zipper and is machine washable, your foot rest will come out looking fresh and new. 4/ Application: try our soft ergonomic pillow foot rest for lash salon.