The 15 oz Stainless Steel Insulated bottle with Twist Top Spout is made of 304 stainless steel. The wide-mouth lid is BPA-free and with double insulation to keep beverages hot for up to 12 hours and cold for up to 24 hours and a handle makes for easy carrying. Recommended hand wash only and should not be put in the microwave or freezer. Custom your color match and create your own coffee bottle. Measuring 15oz, this custom stainless steel 15oz double vacuum bouncing bottle. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: BPA-free, leak-proof, travel-friendly.