Function: 1 Made of high quality PU and velvet material, soft and comfortable, can be used for a long time. 2. U-shaped air bladder, removable shock absorbing design reduces heel pressure. 3 Multiple air vents and good air circulation make your feet feel cool and comfortable. 4 Sweat absorbing insole wont cause foot odor and can be customized according to your needs. 5 Anti-slip design for stability when walking or exercising. Specifications: Item Type: Heel Lift Inserts Total 3 Layers Height: Approx. 7cm / 2.8in Length: about 13cm / 5.1in Material: PU, Velvet Package List: 2x Shoes Inserts 4x Heel Lift Inserts
Thats it!