The Green Hat Summer Cup is a 750 ml stainless steel cup that is perfect for outdoor activities. It is made from high-grade stainless steel and features a double-wall construction to keep your drinks cold for hours. The cup also has a convenient handle for easy carrying and a spill-proof lid to prevent spills. The cup is also BPA-free and dishwasher safe for easy cleaning. The Green Hat Summer Cup is perfect for camping, picnics, and other outdoor activities.