This product features double wall construction for insulation of hot or cold liquids for 8 hours. Available in a variety of stylish colors, add your company name or logo printing for maximum branding. It is suitable for many occasions, such as business, sports, outdoor, leisure, school and so on. Do not put it in the oven or microwave. Hand wash is recommended for the product care. This product is BPA free. Made from stainless steel material, measuring 20:oz, this custom portable double-layer gradient color vacuum 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.