Feature:1. Soft Cover Design: Hot water bag has a thickened soft cover design, which is soft and skin friendly, effectively locking heat and not easy to lose.2. Hot And Cold: Inject warm water and put it in the microwave oven for heating. Inject cold water and put it in the refrigerator to become an ice bag in summer.3. Explosion Proof: Transparent hot water bottle matched with large thread bite to achieve good performance of high pressure and explosion proof.4. Lovely Appearance: PVC hot water bag has a simple coffee color design, easy to carry, which is beautiful and durable and can attract students attention.5. PVC Material: Hot water bottle adopts A grade environmental protection material, with a wall thickness of 2.3mm, heat preservation for a period time, no peculiar smell.Specification:Item Type: Hot water bottleMaterial: High density PVCColor: CoffeeCapacity: 1000ml.Package List:1 xHot Water Bottle1 x Soft CoverNote:When microwave oven is heated, ensure that hot water bag has a 2 third amount of water, power does not exceed 1500W, and heating time is 23 minutes (it can be adjusted according to different power).