Description: Made of food grade silicone, BPA free, soft, comfortable, safe and sturdy, holds heat longer than traditional hot water bottles with cover. Made by integrated molding process, 3mm thicken design, makes the water bag has good sealing pefermance, a screw cap stopper great help to prevent leakage. No more worrying about cracked and leakage, reduce the risk of burns by hot water to make sure maximum safety. Easy to use, pour into 3/4 80 degrees celsius hot water into the bottle, then screw tight the lid. Also, the warm water bag can be heated by microwave oven, no need to changing water, very convenient to use.(The heating time is 3 minutes). The mini hot water bottle can fill with cold water then put it into refrigerator, you will get a ice bag, can be used as hot compress for aches, sports injuries, menstrual pain relief, stiff necks, lower back pain and other common aches. The cute hot water bottle is small, lightweight and portable, great for home, travel camping, office etc. It's a perfect gift for ladies, women, kids, children, boys and girls. Specification: Material: Silicone Size: approx. 155x108x90mm/ 6.1x4.25x3.54inch Package Includes: 1 Piece Hot Water Bottle Note: Please allow 3~5mm error due to manual measurement, thanks. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.