Kevlar Cut/Scratch/Heat Resistant Arm Sleeves 18 inches Long with Thumb Hole - Black (Cut Level 4, EN 388 Tested) CERTIFICATION: Made with 100% Kevlar by DuPont. EN388 tested 4-way protection Cut-4,Tear-3,Puncture-3, Abrision-1 QUALITY: It will provide flexibility, compression, and protect Arm against Scrapes, Scratches, Cuts, Heat, Skin Irritations. Kevlar Cut-Resistant sleeves will not melt, ignite or conduct electricity. It is designed with a thumb support so that it can be used with Cut Resistant Gloves. BENEFITS: Kevlar Cut Resistant Arm Sleeves feel cool against the skin, keep the arms dry due to sweating, and remove risk of overheating. They are lightweight and form fitting for all day work. They are machine washable. The thumb hole provides comfort and security. Designed to keep flabby arms at the desired positions for long term use. USAGE:  Suitable for Automotive, Timber Industry, Metal Industry, Glass Industry, Light heat protection, Warehousing, Gardening, Pets Groomimg, Chefs, Butchers & many more PACKAGE: Sold as Pair. 100% satisfaction Guaranteed. We believe you Love these sleeves and work freely!