Indoor Sneaker Men's And Women's Non-slip SocksProduct information: Color: Black Strap bleype toe holder, purple strap bleype toe holder, gray strap bleype toe holder, watermelon red strap bleype toe holder, blue strap bleype toe Holder Size: Sole label 36 37 suitable for 35 36, sole label 38 39 suitable for 37 38, sole label 40 41 suitable for 39 40, sole label 42 43 suitable for 41 42, sole label 44 45 suitable for 43 44 Outsole material: non slip rubber Shoe Upper material: Lycra stretch fabric