This item is a pair of half-pad correction , which are made of durable and EVA, suitable for different types of feet, comfortable and convenient to wear. The unique design make it feature ventilation, perspiration, and healthcare. It will help you decrease long-time standing, correct deformed arch feet, and effectively the ankle joint and is less laborious during walking or exercise. Features - Color: Green. - Material: EVA. - Size: 18.5 x 8.6cm (XL); 17.5 x 8.4cm (L);1 17 x 7.6cm ( ); 15.5 x 7.4cm (X); 15 x 7.2cm (XS). - 3/4 length constructed a light weight yet durable EVA which is known for its absorbent properties. - Arch supporting Contours and pad in heel. Suitable for normal feet, high arch feet, flat arch feet. - topping allowing friction with the foot, improving overall foot comfort. - The absorbing heel and front pads and give maximum comfort against foot , heel . - These also correct over pronation and gently and naturally re-position the foot into natural alignment. - The fluid of open granule, can fully breathable fast absorb sweat to discharge easily take , keep the inside of the shoe dry and cool. - Tip: Dear buyer, due to lighting effect, 's brightness, manual measurement, 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! Package list: 1 Pair of Half-pad Correction Insole (XL)