Who said adults can't have a sippy cup, Or Two. Now your last sip of shaken, icy goodness will be as chilled as the first. Every Orca Chasertini includes our signature Whale Tail flip top lid for ease of portability so your drink stays put. Great for cocktail hour, block parties or anywhere in between. Double-walled vacuum sealed, 18/8 stainless steel. Clear BPA-free lid. Interior copper clad for superior temperature retention.