Pedag STOP Unisex Heel Pad Grips: PLEASE READ DIRECTIONS BELOW CAREFULLY. Use Stop when the heel of your shoe is a little too big, Stop padded grips help keep your heels from slipping. Stop helps prevent blisters caused by abrasion on the back of your heels when shoes are slightly too loose. Stop is made of durable suede leather, comfortable soft padding and a strong self-adhesive grip. If you know you like Stop take advantage of the multi-pack offers. Dimensions are approximate +/- 2mm: Width: 3cm in center and 3.5cm on the sides. Length: center length is 10.5cm. Padded ridge is approximately 3 millimeters thick.