A40 Sleeve Protectors, One Size Fits Most, White, 200/Carton Made of microporous film laminate with elastic tops and wrists. Each ambidextrous liquid arm cover is 18 inches in length and comes one size. These protective sleeves for arms offer better liquid and particulate barrier than the TYVEK sleeve. These protective sleeves for arms are made to keep out debris, dry particulates and some liquids. Passes NFPA 99 criteria for antistatic materials.