cotton, and rubber material with good workmanship, very comfortable and durable to wear. Good anti-slip function design, comfortable feet, long walk is not tired, travel must. Flat heel, material, not tired feet. Perfect and fashionable shape, anti-slip sole design, improve your wearing experience. Features - Material: Cotton, Rubber and Velvet. - Size 36: About 23.0CM, 6US,3.5UK,36.5EU,9.039Inch. - Size 37: About 23.5CM, 6.5US,4UK,37.5EU,9.2355Inch. - Size 38: About 24.0CM, 7US,4.5UK,38EU,9.432Inch. - Size 39: About 24.5CM, 7.5US,5UK,38.5EU,9.6285Inch. - Size 40: About 25.0CM, 8US,5.5UK,39EU,9.825Inch. - This pair of shoes are manufactured with material, stylish and unique for long time wear. - Perfect short boots shape design, making you look slimming when wearing. - Simple design, chic and fashion. Compact and lightweight, convenient to carry. - Flat heel design, more stable to walk, more comfortable to wear for use. - You will always keep warm with your feet with this pair of warm cotton boots. Package list: 1 x pair of ankle boots