The double-walled thermo mug with copper vacuum insulation made of stainless steel is a budget-friendly, high-class coffee-to-go mug with a BPA-free flip lid. On the outside, the high-class stainless steel mug is sealed with an anti-fingerprint coating and fits comfortably in the hand thanks to its slightly curved shape. The mug and lid can be put in the dishwasher for cleaning, but we recommend cleaning by hand. Can be customised with pad printing or laser engraving. plastic, silicone, Stainless steel, silver, anti-fingerprint, BPA free, Capacity, dishwasher safe, double wall with copper-vacuum insulation, Keeps cold: 24h , Keeps hot: 4h, leak-proof