ViMall Heel Grip/Heel Liner/Heel Cup/Pad/Cushion, Comfortable Adhesive Silicone Gel Padded Shoe Snug Shoe Back Inserts Pads Insoles with Arch Support [25% OFF, Special Sale in Limited Days] 2- in-1 Design: heel grip&heel cushion for heel blisters prevention and foot ankle support,helping feet fitting into shoes firmly and stably. Anti-slip Function: Sticky shoes insert prevents slipping and sliding as it reduces friction while you walk. stays in place for long lasting comfort Breathable&Lightweight:High quality silicone and non-woven fabrics keep your feet dry,cool and comfortable. Heel and Feet Protection: extra support for archs,release tiredness for running,walking,hiking,sports and long time standing. Designed to fit all sizes of shoes (unisex); you can find more size detail in the picture.