This Large Capacity Outdoor Stainless Steel Insulation bottle-800ML is composed of 304 stainless steel internal external 201 stainless steel, insulation and cold can be up to 6-12 hours, 800ml 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. Measuring 28 OZ, this custom large capacity outdoor stainless steel insulation bottle-800ml. 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.