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Double Wall-This rustic grained sienna bottle is crafted with double walls, the only bottle out there with inside and outside stainless steel.
Keeps Your Beverages Cold for 24hrs: Our bottle features double-layer insulation and vacuum insulation that can keep beverages cold or hot for 24 hours.
Vacuum Insulated: Simple Modern Classic tumblers are double walled and vacuum insulated, which keeps your favorite beverage hot or cold for hours.
Our tumblers are BPA-free, dishwasher safe, and have a No Sweat Design to make sure your hands stay dry.