Tervis Tumblers are perfect for both indoor and outdoor use. Their durable construction makes them virtually shatterproof and they even float too! Enjoy your tumblers by the pool or on the patio, at the beach or on the boat and from golf hole #1 to golf hole #19! With a vast selection of travel lids and toppers, Tervis Tumblers are perfect for on-the-go. Tervis Tumblers are safe for use in the dishwasher, microwave* & the freezer!