All BurnGuard® Products are equipped with an Effective Liquid & Vapor Barrier which protects the wearer from burns from hot liquid, grease and steam. Intermitten use up to 450 degrees. Nomex® Puppet Style Oven Mitts offer additional insulation in the palm and is ergonomically designed. Offers a greater level of dexterity for specific job tasks. Machine washable. NSF. Made in USA.