Complete Set: Each tumbler includes a BPA-free lid, reusable straw, rubber bottom, and a convenient straw brush for easy cleaning.
Premium Quality: Made from 304 18/8 stainless steel, these tumblers are highly durable, resistant to breaking and rust, and built to last.
Superior Insulation: Advanced double-wall vacuum insulation keeps drinks cold for up to 12 hours and hot for up to 5 hours. Enjoy the perfect beverage temperature anytime, anywhere.