Made of High quality food grade 304 stainless steel on inside wall and 201 stainless steel on outside wall, scratching resistance.Capacity: 650ml/22oz. Double-wall insulated, keeps beverage hot for up to 6 hours or cold for up to 12 hours.Durable stainless steel interior and exterior offers long lasting use.Use your sleek and stylish coffee travel mug at office, school, camping, gym, travel, in the car and more. Multiple color for you to choose. Measuring 2.91 * 9.25 inches, this custom 22oz large capacity 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.