[ Premium Stainless Steel Water Bottle ] Our drink flasks are constructed with food-grade stainless steel. 100% BPA-free, odor-free, and toxin-free. It never leaves a metallic taste or rust. [ Double-walled with Air-tight Seal ] Vacuum-seal insulation technology ensures your drinks stay cold for 24 hours or hot for 12 hours. Comes with a flip-up straw lid and handle for easy carrying to meet your needs. [ Leakproof and Shatterproof ] The bottle is absolutely leakproof with a sealing ring and shatter resistant, making it ideal for active use. Perfect for hiking, biking, boating, the gym, work, school, and home. The bottle is safe in backpacks, beach bags, or on the edge of your countertop. [ Unique Design; Multiple Colors ] The water bottle features a contoured waist with a durable and colorful powder coating. The coating provides multiple color options and helps keep the insulated water bottle bright without fading or chipping. [ Easy to Clean ] For best results, we recommend hand washing, but the bottle is also dishwasher safe. A wide mouth allows for easy cleaning and filling with fruits or ice cubes.