Ultra-slim 3/4 length design wont crowd the toes. Energising gel absorbs shock in heel; cushions sensitive ball of foot. Ideal for arch pain caused by flat, weak, fallen or high arches. enjoy all day comfort without pain. fun fashion & stylish; discreet clear gel; lightweight. Slim Design fits all footwear: High heels, Slings, Open-Toes, Dress, and Casual. If the insoles stop sticking, simply handwash with a mild soap and water then air dry, this should help reenergise them. To use - Dry wipe the inside of shoe clean. Remove clear plastic adhesive backing on the insole and place in shoe - tacky side down. Align insole with arch position, press down to adhere.