Updated size and thumbhole design flame-retardant sleeve with 18" length providing full arm protection; the width is specially designed to be looser and wider to solve the problem of being too tight or uncomfortable, especially for people with large, strong arms. Safety welding sleeves with a thumbhole design ensure the sleeves always stay in the correct position without rolling up. Comfortable safety material, burn-resistant arm protectors made from 100% Kevlar material, which is 30% lighter than nylon/polyester, flexible, breathable, and with 7 woven stitches, making it durable enough for long-term reuse. Kevlar fabric is non-toxic, odorless, and contains no harmful substances, making it reliable armor for your arms! Premium Cut Resistance: This Kevlar sleeve is cut-resistant, approved by EN388, with level 3 anti-tear and level 2 abrasion resistance to protect your full arms from unexpected scratches and cuts on many occasions such as assembly lines, metallurgical mining, metal industry, automotive industry, animal handling, pet care, etc. Heat, Flame, Burn Resistant: Our fire-resistant arm sleeves offer excellent anti-heating performance, withstanding temperatures up to 200°C, and they will not melt, ignite, or conduct electricity. Heat-resistant arm sleeves are widely used in welding, mechanics, auto repair, electric drilling, metalworking, polishing, and anywhere heat and hot protection is needed. What You Get: A pair of premium quality Kevlar arm protectors. They are available for hand and machine washing. We offer a 3-month replacement or money-back guarantee for any quality issues and an 8-12 hour (business days) response for all after-sales service. BUY NOW AND PROTECT YOUR ARMS FROM THIS MOMENT ON. Kevlar Imported.