Wipe inside of shoe clean. Remove clear plastic backing from bottom of insole. Insert right insole directly inside right shoe. Line heel of insole with heel of shoe first. Repeat with left insole and left shoe. This gel cushion insole uses our exclusive invisigel for discreet cushioning. The ultra-slim 3/4 length design fits any shoe and provides all day comfort. Soft gel for all day comfort. Extraordinary cushioning & shock absorption in heel & ball-of-foot. Targeted relief: Ball-of-foot zone protects the sensitive area, massaging gel - special massage pads in the heel and forefoot massage your feet with every step, and heel zone absorbs shock and impact on heel. Stays in place - peel-and-stick design is guaranteed to stay in place.