Features: 1.The surface material is TPR, which is not easily deformed; the sole is cotton, which is soft, comfortable and breathable. 2.Compact: A portable foot massage that turns any of your shoes into a massage shoe. These massage insoles are suitable for work boots, casual and sports shoes, open-toed shoes and sandals. 3.Lightweight and comfortable: a comfortable and hygienic insole that kills odours and gives your feet and shoes a fresh feel. 4.Freedom to adjust the size to fit the bottom of the foot: scientifically designed to support and protect damaged and fatigued feet with its contours. Free cutting line to cut to your own size to fit your foot 5.A gift for parents: Foot point stimulation helps to improve the body's mobility, blood circulate and therefore overall health. Enjoy a foot massage anytime, anywhere Specifications: Male Size:28.5*9.5*0.4cm Female Size:25.5*8.8*0.4cm includes: 1 Pair of Insole