Next level hydration. The 36-ounce IceFlow Flip Straw 2.0 Bottle has premium AeroLight¿ technology that makes it 33% lighter than standard stainless-steel bottles. Featherweight spun-steel insulation keeps your water ice-cold for hours. The folding handle makes this the perfect grab and go for a hot yoga class. ¿The Flip Straw 2.0 lid has a larger drink opening and a built-in straw, so you can hydrate faster. Flip to sip, snap it shut and slip the bottle into your bag.