Come and see our amazing products. Stianless steel coffee tumbler is firm, rustproof,no harm to human health, without metallic taste. it comes with a leakproof lid which is made of BPA-free plastic which is durable and food-safe.The lid has a rubber gasket ensures a tihgt fit. So it can be easily closed to avoid leakage and spatter.18oz 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. It's perfect for the office, travel, camping, and parties.The lid is 100% leakproof even when flipped upside down. You can put it in your car, bag, and backpack without fear of leakage.Customize with an imprint of your company logo and message for enhanced brand awareness. Pls confirm further with us if any query about packing info, inventory status and time schedule.