The Contigo Byron Thermal Mug has a sturdy, vacuum-insulated mug design for keeping drinks hot for up to 6 hours and cold for up to 12 hours. The stainless steel Byron mug is leak-proof thanks to the patented Snap seal technology. Simply push up the lever to open and snap back to close the seal. 470ml capacity. Dimensions (mm): 81 x 186. Colours: Stocked Colours: Deep Blue, Gunmetal. Non-stocked Colours: Lime, Red. Branding Methods: Screen. Branding Dimensions (mm): 230 x 50. Compliance information: Food contact safe, Top rack dishwasher safe, Microwave safe, BPA free, REACH compliant, Phthalates free, Lead/Cadmium free. Lead time: 12-15 working days from proof approval.