This sports water bottle respectively: 350ml/500ML/600ML/750ML/1000ML capacity, the interior is 304 stainless steel exterior is 201 stainless steel material, you can choose the capacity you want, you can support custom colors.Double-wall vacuum-insulated stainless-steel construction keeps beverages hot (for up to 6 hours) or cold (for up to 12 hours).ThBottlesit great for yoga, hiking, gym exercise, working out, trail running, cycling and all other outdoor and indoor sports. Easy squeeze, let you drinking easy during sporting exercise. Measuring 3.15*8.86inches, this custom 35oz-sports water bottle. 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.