The Life Venture Thermal Mug is built with a thermally induced vacuum that ensures your beverage is kept at the right temperature for longer. From the cross-trail adventure to reaching the highest peak, the Life Venture Mug built with 18/8 food-grade stainless steel construction and screw-on lid is an essential.Thermally induced vacuum insulation - keeps drinks hot or cold for up to 4 hours18/8 foo-grade stainless steel constructionDouble-wall constructionScrew on lidPart of the Duke of Edinburgh\'s Award kit listCapacity: 300mlWeight: 262gDimensions (unpacked): 70 x 70 x 164mm