This 30 oz. stainless steel tumbler is copper-lined with a vacuum-insulated deep draw liner and maintains optimal drinking temperatures. Provides 8X heat retention – or keeps ice for over 48 hours. Made with FDA compliant dual walled 18-8 Stainless Steel. Features a sweat-free design and thumb-slide, screw-on lid, BPA free. Stainless with Spartan green helmet and College of Human Medicine word mark.