INCLUDES: one pair rubber half sole and heel sole,six abrasive paper,one masking paper. SIZE:half sole is about 1/20 inch,heel sole is about 1/8 inch.Material:premium rubber. ADVANTAGE:extend the life of shoes,it can fix most of shoe sole for cutting the size you want. USING:simple operation steps,there are pictures for your information.Be sure to use professional of shoe glue,strictly follow the instructions of glue.we highly recommend use slow adhesive rather than rapid adhesive. SATISFACTION GUARANTEE:5 years warranty,friendly customer service.