Walking is what we do everyday in life. These insoles can provide you a very comfortable feeling when wearing. This product is made of comfortable absorbent fabric and high-quality EVA Material. It provides extra support to the heel and base of the footExtra cushioning in the heel for maximum effect. Features - Color: Blue and Black. - Material: EVA. - Size XS: About 15cm(Length); 7.2cm(Width); - Size S: About 15.5cm(Length); 7.4cm(Width); - Size M: About 17cm(Length); 7.6cm(Width); - Size L: About 17.5cm(Length); 8.4cm(Width); - Size XL: About 18.5cm(Length); 8.6cm(Width); - APPLICABLE SYMPTOMS: diabetes,flat feet,Low Arch,Orthotics,Plantar Fasciitis,pigeon - toed arch support. - FLAT FEET and FALLEN ARCHES by distributing and minimizing pressure in the foot by providing additional ARCH SUPPORT - SIZES: Five sizes, You can choose the size you need . - Helps control, stabilize and balance the foot . - Reduces friction to improve overall foot comfort.