Arch Support Sleeves are made from soft, flexible SEBS that comfortably supports your arch, stabilizing the plantar fasci and relieving arch and heel pain. The pair of arch insoles can be worn in just about any shoes, allowing you to enjoy exercising, running and hiking without heel pain. Our arch inserts are easy to wear, washable and reusable. Features - Color: White. - Material: SEBS. - Size S: Approx. 10x9x0.7cm. - Size L: Approx. 10x9.5x0.7cm. - Packing Size: About 20x18x2cm. - Made of premium material, practical for long term use. - and flexible, can suit different sizes of feet and provides great support to the arch. - Arch support sleeves are efficient pads to relieve pain related to plantar fasciitis, tendonitis, arthritis, high arch and a variety of arch problems. - Washable and durable. Easy slip-on and take-off. - You can wear them in any sort of shoes, sneakers, slippers, sandals, heels and under any socks.