The 0.47-litre Stanley Transit Fliptop Mug uses AeroLight™ technology to make it significantly lighter than standard stainless steel. Featherweight spun-steel insulation keeps your drink at the right temperature for hours. Matching silicone at the lid tab and footpad makes opening, closing and setting it down quieter. - 18/8 recycled stainless steel - AeroLight™ spun-steel technology - Double-wall vacuum insulation - Leakproof - Silicone lid tab - Silicone footpad - Dishwasher safe - Compatible with most car cupholders - BPA-free - Weight: 350g - Dimensions: 69 x 68 x 227 mm, Diameter: 6.7cm