HIGH QUALITY- Made from 1mm memory foam with a fabric layer that conforms to your feet while providing comfort. Strong adhesive backing ensures grip within the shoe after application. STOP SWEATY FEET- Fibers on the surface provide absorption of sweat and help to keep your feet in place. For those with hyperhidrosis, these liners help stop sweaty feet from severely limiting your summer footwear options while promoting a healthy foot environment. FOR A VARIETY OF SHOE STYLES- Perfect for sandals, pumps, mules, flats, spongy flip-flops, or fabric-bottomed styles. Minor trimming may be necessary to ensure proper fit in your shoes. NOTE: To ensure satisfaction and ease of use, be sure to modify shape and size prior to removal of backing and follow enclosed directions for proper application. Available in 4 sizes, X-Small, Small, Medium, Large Do you have trouble wearing sandals due to moisture or discomfort? Then these adhesive insoles are for you. They are made in Korea from high-quality material that conforms to your feet while providing comfort. The fibers on the surface are pretty absorbent and provide an added layer of protection to keep your feet in your shoes where they should be. For those with hyperhidrosis, these liners help stop sweaty feet from severely limiting your summer footwear options while promoting a healthy foot environment. Narrow yet not too narrow, they are perfect for sandals, pumps, mules, flats, spongy flip-flops, or fabric-bottomed styles. They come in a wide variety of sizes so that you can find the size that is right for you. Unlike others on the market, the strong adhesive ensures that they will stay in place without creasing or bunching up. Minor trimming may be necessary and needs to be done prior to removing the backing and applying them to shoes.