If you are not satisfied with our insoles, friendly customers service for any questions, please feel free to contact us. Our products are packed with reuseable ziplock bag, easy to open and seal. The return would be a lot easier when the package in intact. Thank you very much. Made of soft anti-skid PU Gel material with sweat absorbent fabric, reused and washed, suitable for high-tops, sneakers, tennis shoes, boot, rubber shoes etc. NOT FOR LOW TOP SHOES. Heel cushions are wide and enough side support for your heel, the Honeycomb design can absorb shock, depressurizing and prevent the insoles slipping inside your shoes. Comfortable heel lift inserts reduce foot pain resulting from Plantar Fasciitis, Achilles Tendinitis or sore fatigue, solve the difference issue in leg length. Height increase insoles add 0.6 Inches height invisibly. Nobody would know the secret of your increased hegith, can fit equally well in both men's and women's footwear.