Basic Info Process: Knitting Material: Outside Aramid 13 + Aramid 14 Material: Inside Polyester Cotton Surface: Both Side Silica Gel Length: 26 - 35cm (customized) Color: Black + Light Yellow Size: L, XL Packing: 1 Pair/Bag, 70 Pairs/Carton Certificate: EN407, EN420 Feature: 500, Non-slip, Flame retardant Industry: BBQ, Microwave Oven, Roaster, Aluminum processing etc.