HIGH QUALITY MATERIAL: Contouring to the heel for greater support and comfort, each gel heel grip and metatarsal pad is constructed with a premium, latex-free medical grade silica gel. High elasticity and flexibility. SAY GOODBYE TO HEEL & FOOT PAINS : heel pads and metatarsal pads absorb impact and shock, preventing you from foot pain, blister, plantar fasciitis, metatarsal foot pain, rubbing and slide. ONE SIZE FITS MOST: Moderate thickness, so it leaves room for your feet. But we still suggest you to use them inside the looser fitting shoes to avoid causing your feet discomfort due to squeezing. Perfect for high heels, flats, pumps and boots. SELF-ADHESIVE & REUSABLE : Adopt powerful sticky backing.These shoe inserts can be removed and sticked to other pair of shoe again. If the adhesive loses its tackiness, just wash it with warm and soapy water, let it dry and you can stick it again. Do not dry on the sun. Reusable : These shoe inserts for women can be removed and used with another pair of shoes again and again. If the adhesive loses its tackiness, just wash it in warm and soapy water, let it dry, and you can use it again. Do not dry in the sun