Leakproof Flip 'n' Sip lid. Stays cold up to 48 hours and hot up to 8 hours. 32oz Caapcity. Made from 90% recycled 304 food grade stainless steel. Dual-threaded lid and handle for left and right handed drinking. No leak straw has a gasket to prevent spills. 2-Piece straw comes apart for easy cleaning and storing. Double wall vacuum insulated construction. Copper lining improves temperature control. Built-in non slip rubber coaster. Sweatproof exterior. Extra large opening. Fits most cup holders. Handwash and dishwasher safe.