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 900 degrees. The “Plus” Series Mitts, with Kevlar® in critical areas are ideal for high temperature environments, especially where there is exposure to open flame. Interchangeable liner for ease of cleaning and replacement. Offers the most ergonomically friendly thumb-over-palm design when working with sheet/roasting pans. The Interchangeable Liner series provides additional sanitation and cost savings by allowing removal, cleaning and replacement of the liner alone, which is held in place with hook and loop fastener. Machine washable. NSF. Made in USA. Caution: Do not use outer shell or liner alone.