Vivik Stainless Steel Tumbler 30 Oz Cup with NEW Spill and Splash Resistant Lid with Slider Closure - Double Wall Vacuum Insulated Premium Thermos - GUARANTEED to Keep Coffee HOT and Iced Tea COLD! 30 oz Tumbler, Double Wall Vacuum Insulated 18/8 Stainless Steel, Vivik Double wall vacuum insulation maximum temperature retention & insulates hands from the cold and hot - Sweat Free BPA Free Spill Proof Lid Sliding Closure Keeps Ice longer holds ice for up to 24 hours and Keeps it hot works great for hot beverages EASY TO CLEAN - Large and functional wide mouth opening and smooth rounded shape for easy care.