Description:This item is made of silicone material, which is breathable, non-slip, soft, durable, super comfortable and super elastic. It is detachable, 5 separated layers allow you to choose your height depending on the style of shoes you are wearing. U type design helps your feet alleviatepain, plantar fasciitis, heel pain spurs.Features:- Color: Transparent. - Material: Silicone. - Size: 10 x 6 x 3cm (LxWxH). - It is breathable, non-slip, soft, durable, super comfortable and super elastic. - The damping air-exchange shoe heel pads of the utility model has the advantages of detachment convenience, excellent damping and air exchange and long service life. - Removable heel pads, 5 separated layers allow you to choose your height depending on the style of shoes you are wearing. Transparent and invisible height increase insoles make your more confident. The heel cups adopt massage bump particles. U type design helps your feet alleviatepain, plantar fasciitis, heel pain spurs. - Washing method: Cold hand wash,natural dry, reusable, long-term use will not be flat deformation.