Stay sustainably hydrated with the trendy Stanley Rei Exclusive Flowstate Quencher 40oz Tumbler Hazy Horizon. This recycled mega-cup from two global brands has a beautiful design and provides liquids when the outdoor calls. Stanley and REI, the performance-based outdoor brand, come together to produce a sustainable stainless steel flow state cup that, at 40 ounces, will require far fewer tops-ups. With perfect temperature control on hot or cold liquids, this vessel has double-wall vacuum insulation and reusable straw and is easy to disassemble and clean. The cup has a pastel-colored design of a purple, pink, and yellow landscape on a black base, with the Stanley and REI logos in black and a complementary silver rim. It is also dishwasher safe. Keep it green with the Stanley X REI collaboration, whether at the campsite or the gym. The Stanley REI Exclusive Flowstate Quencher 40oz Tumbler Hazy Horizon retailed at $68.