This bottle is made with 304 stainless steel and has a spill proof closure. There is silicone on the bottom of the cup, which makes the cup have better stability on the table. It can keep your favorite beverages cold for up to 10 hours or hot for up to 8 hours. Available in a variety of stylish colors, add your company name or logo printing for maximum branding. Hand wash recommended for the best product care. Measuring 12oz, this custom 12oz multi-color coffee stainless steel vacuum 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.