Description: The heel cup insoles made of soft silicone gel material provides foot with comfortable experience and relieve the pain of foot. The heel cup has obvious effect on dealing with 0 legs, X legs and splayfoot, making your legs straight and healthy. Features: Silicone gel material, soft and comfortable to wear, relieve the pain of foot. The insoles deal with the O legs, X legs and splayfoot, etc. Reduce the pressure on the heel, providing feet with extra cushion. Arch support and cupped heel design provides a firm support. Ergonomically designed, totally conform to the shape of feet. Specification: Item Type: O/X Leg Correction Insoles Material: Silicone Gel Color: Blue Quantity: 1 Pair/ 2pcs Size: Size Length Width Suitable For (CN) S 9.2cm/3.62inch 6.5cm/2.56inch 36-39 L 10.2cm/4.13inch 7.5cm/2.95inch 40-46 Item Weight: S: 80g/Pair L: 92g/Pair Package Weight: Approx. 81~105g Package List: 1 x 1 Pair O/X Leg Correction Insoles Package List 1Silicone gel material, soft and comfortable to wear, relieve the pain of foot. 2The insoles deal with the O legs, X legs and splayfoot, etc. 3Reduce the pressure on the heel, providing feet with extra cushion. 4Arch support and cupped heel design provides a firm support. 5Ergonomically designed, totally conform to the shape of feet.