brand new and high quality Features: Made from food grade silicone, odorless and recyclable. Wide mouth design, easy to fill up water. Knit cover: There is a soft knit cover to prevent the hot surface from being in direct contact with your skin to cause burns. Can be heated by microwave oven, take off the knit cover and fill in cold water. It can withstand low temperatures of minus 20 degrees and high temperatures of 120 degrees. Ice bag function: Fill with cold water then put it into refrigerator, you will get a ice bag. The silicone water bag can be used as a cold compress for pains, sports injuries, fever and reduce swelling. It is the best gift for friend or families, the hot & cold water bottle can be used in different seasons. It can keep you warm in cold days, it also can be used as an ice pack. Warm Tips: 1. It cannot be heated in light wave mode. 2. If there is any abnormality such as expansion during the heating process, please stop heating immediately. In addition, please do not turn on the microwave oven immediately. 4. When injecting hot water, avoid direct filling with boiling water. The water temperature should be around 80 and the filling volume should be 3/4. Specification: Material: Silicone Size: app. 100x58x170mm/3.94x2.28x6.69in Optional Color: Blue, Orange, Pink, Purple, Red Quantity: 1 set Note: Transition: 1cm=10mm=0.39inch No retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Hot Water Bag 1 x Knit Cover (other accessories demo in the picture is not included.)