Withstands temperatures up to 800C, hands will not catch fire when exposed to open flames, maximizing hand protection. The outer layer of the glove is made of high quality 1313 aramid and environmentally friendly silicone on both sides. The inner layer is made of 100% pure cotton, which has better sweat absorption, more comfortable touch and soft hand feeling than polyester cotton. MAXIMUM PROTECTION: EN407 certified grill gloves provide ultimate thermal protection up to 800 (1472F) in 10 seconds, safer than 500 C (932F) of other gloves on the market. Double-sided silicone gloves are non-slip and allow you to easily handle cutlery or any other objects. VERSATILE USE: With a unique extended cuff design of approximately 14cm, our gloves provide more protection than others.