The Hayden Tea Tumbler with infuser for brewing loose leaf tea precisely to your taste is a fantastic way to enjoy a hot cup of tea while on the go. This double-wall insulated travel tumbler keeps hot drinks warmer longer. 487ml / 16-ounce insulated travel tea tumbler with infuser for brewing loose leaf tea to your liking Double-wall insulation keeps tea warmer longer and screw-on lid with flip top prevents spills so you can enjoy your hot tea while on the goo Unique infuser design easily brews loose leaf tea to your liking; includes cap for easy removal and drip-case to prevent messes after steeping Screw-on lid with integrated flip-top cap that stays open while you drink but closes firmly to prevent spills Made of BPA-free, durable SAN plastic; do not microwave The screw on lid with flip-top cap stays open while you drink but closes securely to prevent spills. The unique infuser design allows you to easily brew loose leaf tea; the infuser cap extends above the waterline for easy removal and the drip-case holds the infuser, catching drips to reduce mess after steeping. This tumbler works for tea made from teabags or hot coffee too Made of BPA-free, durable SAN plastic that will last wash after wash.