The All-Day StrawSip™ Tumbler is the perfect way to stay hydrated all day long. Its new StrawSip™ Lid technology integrates a Cirkul Sip® flavor cartridge into a straw, allowing you to sip without tipping the tumbler! StrawSip™ technology in spill-resistant lid supports left or right-handed use. Ergonomic Comfort-Grip handle Cup holder compatible Double walled, insulated stainless steel