Our University of Arkansas drinkware, pitchers, and trays are made from our best-selling Bentley Plastic Drinkware collection so you can enjoy school-inspired style for years to come. University of Arkansas drinkware & accessories are: Dishwasher-safe Break-resistant Crafted in BPA-Free SAN plastic Enjoy Bentley Collegiate plastic glasses & serving accessories for years with these care tips: General Use: SAN plastic is a blend of acrylic and styrene that produces very durable break- and scratch-resistant food-safe drinkware and tableware. It’s a popular plastic tableware choice for homes and restaurants, indoors and out. Dishwasher Use: SAN plastic tableware is designed for years of use in both commercial and residential dishwashers for water temperatures up to 150-degrees F. SAN plastic drinkware and dishes and will not cloud and craze like acrylic glasses. A note for residential users…EnergyStar-rated residential dishwashers feature water heating systems that can far exceed commercial temperatures and damage plastic drinkware. Please consult your dishwasher user’s guide for a delicate/lower heat cycle to prevent damage to ALL plasticware. Scratching and Wear: Bentley plastic drinkware has a soft frost finish that resists scratches and retains its look for years. Bentley plastic plates and bowls are very durable but can scratch when used with knives.