Back rest extensions for wheelchairs are a great way to accessories and allow further support for your head. It s a very unique design that allows the user to further extend support adding comfort to your daily needs. It is very easy to put on and take off. The tools needed are included in and can be easily done by anyone.Features Backrest extension Padded cushion Color - Black 16 in. frame Dimension - 21 H x 19 W x 2 D in. - SKU: KRMH073