Modal Thin Silicone Non-Slip Leg & Knee PadsThis knee pad offers support and comfort for middle aged and elderly people with weak bones. Its strong alloy springs reduce knee stress during activities like walking, squatting, and climbing stairs. The breathable, non slip material is easy to wear and helps alleviate knee discomfort and injuries, making it ideal for daily use and exercise. Material Modal Size Care Machine wash cold, inside out, with like colors. Tumble dry on a low, delicate cycle.