The Liberty ProGard coverall is made of sms polypropylene, is packaged 25 per case, comes in white and meets ASTM 1670-1671 standards. Proper sizing is important when buying this part. The size for this product is XL. These types of SKUs 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.