Baltimore Ravens No Spill Straw Tumbler Eco-friendly straw tumbler comes with team-colored top and rubberized sleeve. The 20 ounce tumblers are BPA-free and highly durable. Retractable straw folds carefully into place to allow for a no spill closure. Double-wall, insulated construction helps keep beverages cold, while rubberized sleeve provides solid grip and keeps hand warm when holding cold beverages. Made By Boelter Brands Everything for the Sports Addict!