The Adventure Stacking Tumbler – built for match days . memories . and every pint that comes with them. Crafted from stainless steel . this tumbler is durable and built to last – just like your love for the game. Thanks to vacuum insulation . your favorite brew stays at the perfect temperature for up to 4 hours . whether you're celebrating a win at the pub or from the comfort of your home. Infinitely stackable for every round . every fan . every match