Stianless Steel Coffee Tumbler is firm, Rustproof,No harm to human health, without metallic taste.It comes with a leakproof lid and 1 reusable straw which both are not contain BPA . There is a drinking hole in the lid for placing a straw or drinking directly. The sliding lid has a rubber gasket ensures a tihgt fit. So it can be easily closed to avoid leakage and spatter.20oz Insulated tumbler has vacuum double wall design which ensures a good insulation. Keeping hot drinks hot for up to 6 hours and cold drinks cold for up to 24 hours.The size of the bottom of the cup is convenient for you to hold firmly, The tumbler can be safely placed in most car cup holders
