Description A thermally induced vacuum ensures that drinks hold their temperature and can be enjoyed hours later. Putting your mug in the dishwasher may impact product lifespan, please hand wash. Vacuum insulated to keep drinks hot for 6 hours or cold for 12 hours Made from 18/8 food-grade stainless steel Double-wall construction with screw-on lid Conforms to British Standards 300ml capacity BPA-free Hot – For 6 hours Cold – For 12 hours Capacity – 300ml Weight – 262g Weight: 262g Capacity: 300ml Dimensions (unpacked): 70 x 70 x 164mm Base Diameter68mm