The 12 Oz. Swig Life™ Golf Partee Lowball Tumbler is the perfect companion for golf lovers who appreciate quality and convenience. Made from stainless steel with a copper-plated inner lining, this tumbler features double-wall insulation to keep drinks cold for up to 9+ hours and hot for up to 3+ hours. Its patented texture finish ensures a comfortable grip, while the spill-resistant lid with removable slider makes cleaning a breeze. The non-slip, scratch-free silicone base keeps it stable and condensation-free. BPA-free, dishwasher safe, and FDA compliant, this tumbler is proudly women-owned and SWaM certified.