【High Quality Material】The safety protective arm sleeves are made of HPPE+nylo+spandex, Wear-Resistant, Cut-Resistant, Skin Irritation-Resistant, UV-Resistant, The safety sleeve adds arm protection which can protect the wrist from cuts. 【Level 5 Protection】The protection level of the arm protection sleeves is 5 to better protect your forearm against high temperature, heating and cutting, best choice for arm protector. 【Size】40CM/45CM(optional), size fits most people's arm,and fits right or left hands. sleeves are not only suitable for men but for women. (Due to the manual measurement, there will be an error of 1-3 cm.) 【Breathable and Easy to Clean】High-performance polyethylene makes it highly breathable, elastic, comfortable and lightweight. It is flexible to operate even in hot weather and will not slide easily. (Note: Special fibers maintain material strength even after dozens of washes, but will lose fiber strength) 【Widely Use】The safety arm sleeve is perfect for construction site work, assembly line, cut protection, food service, glass handling, wood-carving, light heat protection, warehousing, gardening, welding, and so on, for thin skin elderly, for construction, industrial worker, repairing car, landscaper.