The 30 oz Flip Straw IceFlow™ tumbler arrives from Stanley's Heat Wave line in a "Bright Lime" colorway with blue accents for a fun and colorful look. The cup is made from recycled stainless steel, and uses double wall insulation to ensure drinks stay cold for 12 hours or iced for two days. A cupholder compatible shape and easy carry top haul handle make the bottle easy to take with you on the go.