Give sore feet sweet relief. These non-slip shoe inserts protect heels from blisters and provide extra support for arches while absorbing shock. Transparent insoles are designed to help relieve tired feet and foot pain while wearing shoes. The design provides arch support and reduces friction to help prevent blisters. Made from soft, stretchy transparent PU material. Fits in most dress shoes or casual shoes. Adhesive backing keeps inserts from sliding around in your shoe. One size fits most. Pair of 2 insoles. Each measures 7 7/8" x 3 2/3", with 3/8" arch height.