Introducing high-quality, vacuum insulated, double-wall stainless steel and dishwasher-safe WAINA tumbler. Whether you’re on the go, working from your home, office, or chilling around a campfire, you can count on KAILANI drinkware to keep your coffee hotter, longer, and ice in your drinks until the last sip. For additional comfort and added grip, we have designed a unique handle that fits both sizes of KAILANI tumblers. To install the handle simply slide it on from the bottom until it fits snug.