Tervis tumblers feature double-wall insulated construction that keeps drinks hot or cold longer and reduces condensation to prevent rings on your table. Strong, impact resistant BPA-free material means these tumblers can take a tumble without shattering and won't retain tastes or odors. For home or on the go, Tervis drinkware is made for the moments when memories are made. For home or on the go, Tervis drinkware is made for the moments when memories are made. Each classic tumbler is proudly made in America and backed by a Lifetime Guarantee so you can buy with confidence.