UMAI Stainless Steel Water Bottle|Vacuum Insulated Flask Water Bottles with Rope and Carabiner for Outdoor Adventures, Fitness Activities, Daily Commute|Hot and Cold Water Bottle | 1200ml | Black Durable Stainless Steel: Crafted from premium stainless steel, our bottle is built to withstand the rigors of daily life and outdoor activities. Rope Holder: Say goodbye to inconvenient water bottle holders. Our integrated rope holder allows for comfortable and hands-free carrying, making it perfect for outdoor adventures. Built-in Carabiner: Securely clip your bottle to your backpack, belt loop, or gear with the included carabiner, ensuring it's always within reach. Temperature Retention: With double-walled vacuum insulation, this bottle keeps your drinks hot for up to 6 hours and cold for up to 12 hours, making it suitable for all seasons. Wide Mouth Opening: The wide-mouth design makes it easy to fill, clean, and add ice cubes, ensuring versatility for a variety of beverages.