Description STABLE SIZE AND SUITABLE FOR MOST SEATS: about 12x12x1.5 inches (30x30x4 cm), the straps with velcro on the back. Carrs chair cushions are suitable for most kitchen/bar stools, office/dining chair or any other chair. The straps on the back will keep the chair cushion in place and will not move during use. COMFORTABLE & ERGONOMIC DESIGN - Adding cushioned comfort to your existing chairs is quick and easy with this square chair cushion. This seat cushion with good tracking force decreases pressure on the tailbone and relieves you from sciatica pain, herniated discs, tailbone injuries, etc. PORTABLE & MULTI-PURPOSE - This square sige cushion comes with four straps that you can attach to the back of your chair. Simply grab a chair cushion and take it with you for comfort anywhere in your home. You can...