Brand-PEXPO Capacity-1000 Milliliters Colour-Pink Special-FeatureCold 24 Hours, Leakproof-Hot 24 Hours Model Name-Flamingo Item Weight-625 Grams ISI Certified Bottles: Steel bottles undergo rigorous testing for durability, corrosion resistance, quality control, and material composition to ensure the best quality product reaches your hands. Multi-functional lid: Flip lid for easy one-handed operation and easy to pour, prevents any spills or leaks. Cup cap provides versatility of drinking experience while in Travel/Office. Tri-Ply Vacuum Technology (TPVT): Between two steel layers sandwiched a thicker aluminum sheet instead of just thin copper coat, for superior temperature control in the flask Dual SS 304 Layer: The inner & outer layers of our flask are constructed from smooth & shiny SS 304, beholds rust free, bacterial resistant & anti crack property, to keep your beverages safe Jute Bag: Complimentary jute bag adds convenience for carrying your bottle anywhere – office, home, picnics, outdoors, camping, for personal use and gifting It does not keep the water cool for too long maybe it's due to the hot whether or I am using it in the wrong way