Our gel products are made of a non-silicone polymer, formulated with medical grade mineral oils (U.S.P.) to cushion and protect those areas of the foot prone to friction trauma. They are supple, comforting, hypoallergenic, non-toxic, dermatologist-tested and cost-effective. The gel doesn’t migrate, so it won’t bottom out.The fabric pads are washable, reusable and can be cut to size. Hand wash and air dry only. (You can tumble dry the Ouch Pouch and the Ouch Pouch Jr. on low for 5 minutes.)