This Swig Life 20oz Tumbler is ideal for taking your favorite beverage on-the-go (or on the golf course)! This insulated stainless steel tumbler features double-walled, vacuum-sealed and copper-coated insulation, which helps keep drinks cold for up to 24 hours and hot up to 12. Each Swig Life 20oz Tumbler comes with a BPA-free, spill-resistant, shatterproof lid that can be closed using the sliding closure. To further minimize spilling, each stainless steel tumbler features a non-slip silicone base. Bonus: The tumbler and lid are both dishwasher-safe!