Thanks to the double-wall insulation, this insulated pint glass keeps drinks cold for up to 4 hours and iced up to 17 hours while keeping the exterior sweat-free. It also retains heat for 1 hour for coffee on the go Whether camping or commuting, this stainless-steel beer mug handles whatever you throw at it. Our insulated stainless-steel tumbler is BPA-free for your safety. Laser engraved or silk screen logo can be made on the cup, which is a great promotional gift. Qty over 5000 is shipping by sea."