Never spill your drink while on the go again. This 18 oz. stainless steel tumbler has a built in stopper to prevent spilling. Stainless steel on the outside and plastic lined on the inside. Take this sharp looking bottle wherever you go and be confident that no spills will occur! this stainless steel bottle has an 18 oz. capacity and a built-in stopper to prevent spilling. It’s made of stainless steel on the exterior and contains plastic lining on the interior. Filled with water, piping hot coffee, iced coffee or any other favorite beverage, this cup is a great choice for commuters and people on the go. Measuring 18oz, this custom 18 oz outdoor portable stainless steel bottle. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: BPA-free, leak-proof, travel-friendly.