DescriptionMade of premium and eco-friendly material with inserted as insoles, offering comfortable massaging experience for the feet. Elastic feature makes it for man and women and even kids with flat feet, rigid steps and plantar fasciitis. An excellent feet arch supports to relieve feet strain and pain.Feature- Color: Blue. - Material: EVA and Nylon. - Size XS: Approx. 17.3x8.8x2.8cm. Heelpiece thickness: 0.6cm. - Size S: Approx. 18x9.1x2.8cm. Heelpiece thickness: 0.6cm. - Size M: Approx. 18.3x9.4x2.8cm. Heelpiece thickness: 0.6cm. - Size L: Approx. 18.5x9.6x2.8cm. Heelpiece thickness: 0.6cm. - Size XL: Approx. 19x9.8x2.8cm. Heelpiece thickness: 0.6cm. - insoles, offering your feet comfortable massage and relaxation. - Elastic and stretchable, compatible with most men, women and kids' feet. - Widespread use, can be applied to almost all sorts of shoes such as sports shoes, sandals, high heels, boots, etc. - Lightweight and portable, great necessities for your daily life and convenient for you to carry on trips or hikes. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!