Choose from a variety of fun colors or patterns! This 40oz Stainless Steel Tumbler is composed of 304 stainless steel internal external 201stainless steel, insulation and cold can be up to 6-12 hours, 1200ml capacity, compact and lightweight.The smart water bottle is ideal for easy travel, perfect for outdoor sports, work, beach, school, office, picnic, yoga, hiking, camping, cycling, running, etc. Simple and practical, it is the best gift for friends, family, children, sons and daughters. This custom 40oz stainless steel tumbler. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: BPA-free, leak-proof, travel-friendly.