MATERIAL: Made of soft and durable medical-grade polyurethane gel materialwhich is safe to human body.Self-adhesive and transparent design.</br>FUNCTIONALITY: Best solution for all kinds of foot disease:Prevents shoes rubbing and sore heels Ideal for high heels and boots and used for flip flopetc free you from foot pains and uncomfort.</br>INSTRUCTION FOR USE: Before applying Ensure that you have adequate room in your footwear to accommodate the insole so that your feet are not restricted tightly in your footwear to avoid restriction of circulationRemove the clear plastic film on the undersideSlip inside the shoes and stick at the correct position.</br>SIZES AND COLORS: One Size Fits All.Two ColorsTransparency+Blue and Yellow With FabricYou can have a variety of options.</br>QUALITY GUARANTEED: 100% high quality guaranteedAnd one year warranty on parts and labor.</br></br>Product Description</br></br>Instructions For Use:<br> 1.Before applying ensure that you have adequate room in your footwear to accommodate the insole so that your feet are not restricted tightly in your footwear to avoid restriction of circulation??<br> 2.Clean up your shoes??<br> 3.Then Tear off the PET film??<br> 4.S