Fully lockable, leakproof and ready for the long haul, the Brumate Resa travel tumbler is built to take on your everyday. The insulated stainless steel keeps iced drinks and carbonated beverages ice cold for over 24 hours. The three-mode ÜTurn™ lid features an open to sip, locked and fully leakproof and centered for straw removal. Use the raised rubber grip on the top of the lid when changing modes to avoid touching the straw. The stainless steel straw eliminates plastic-use for clean drinking. Protect your tumbler from dents and dings with the removable silicone sleeve.The cupholder friendly base and comfort grip handle makes it simple to grab-and-go.