Product description Size: S/L Color: black, blue Material: OK cloth SBR SEBS pad Package content: 1 pair of Velcro back heel 1.Instant Heel Pain Relief: heel spur relief products provide exceptional support for the heel pain and ankle, reducing pain, fatigue and swelling. Relieves foot pain caused by heel spurs, bone spurs, and plantar fasciitis by absorbing shock and reducing tension and stress with each step. Perfect for those on their feet all day. 2.Thickened Heel Pads: compared with similar products, you will find that only this heel cups has an SEBS pad embedded in the heel pad, which can greatly relieve heel tingling and tingling, foot ache, plantar fasciitis, protect stress fracture, sprain the ankle when walking or running, reduce joint strain, shock and vibration, protect your heel, prevent pain and relieve ankle fatigue. 3.Professional Shock Absorption :The heel cups for plantar fasciitis apply the excellent elasticity Gel material, which can effectively absorb 70% of the impact force when walking, the heel cups for plantar fasciitis can relieve pain and discomfort of walking or standing regularly.No matter where you are going, These heel spur relief products will give you the best walking experience. 4.One Size For Everyone And Every Step: You can wear them in any type of shoe, sneakers, heels, sandals, flip-flops, or even barefoot to help reduce your heel pain.