Latex sponge: Latex sponge is a porous rubber material with all or most of the connecting holes and a few of the non-connecting holes. It has good elasticity, absorptive capacity, compression resistance, good load-carrying capacity, comfort and durability. Soft and comfortable: latex sponge material, soft and comfortable, placed in shoes, fashionable invisible, light and close to the feet. Soft and comfortable: latex sponge material, soft and comfortable, placed in shoes, fashionable invisible, light and close to the feet. Waterproof Adhesive The back of each corn cushion features a self-sticking cover that stays on even if your foot or toes get wet. Hypoallergenic process - designed with a skin-safe, hypoallergenic latex base, corn pads for mild sensitive skin and suitable for men and women. Note: The data are manual measurement, please allow a 1-3cm error, due to the differences between the light and the display, there will be a certain color difference, the specific received in kind prevail.