The Dupont chemical-resistant coverall is made of tyvek 400, is packaged 25 per case, comes in white and meets ASTM D 1777, ASTM D 3776, ASTM D 5034, ASTM D 5597, ASTM D 751 standards. Proper sizing is important when buying this item. The size for this product is Large. These types of products are designed for specific applications which feature ways of safeguarding & shielding itself and/or the user. This product is designed and manufactured such that it offers the following protection: Particle Protection. Has an 29 1/2 in inseam.