Hot Water Bottle,6.4x4.2" Reusable Hand Warmer & Ice Compress,Microwave Safe & Freezer Friendly (-40°C),Explosion-Proof,Large Capacity for Long-Lasting Heat/Cold Relief,Leak-Proof & Drip-Free

Describe:
      Size: 16x10.5cm/6.4x4.2"
      Material: PVC
      High-temperature and high-pressure forming technology,150℃ high-temperature forging,secondary forming,no clogging,no pressure the car,eliminating safety hazards from the source
      Can be put in the refrigerator: cold heat dissipation,can withstand low temperature -40°C,the refrigerator is filled with water and can be used for low-temperature refrigeration and cooling
      Explosion-proof and structure design:
      1.Large thread,tight joints,no dripping
      2.It is difficult to make the water injection port,and the plastic and silica gel are tightly combined
      3.Large water storage capacity and longer temperature
      4.Integrated mold,uniform wall thickness
      notes:
      1.When heating in a microwave oven,be sure to add water to the bag for no more than 3 minutes to avoid deformation of the bag.
      2.If there are abnormal phenomena such as expansion during the heating process,the heating should be stopped immediately.In addition,please do not turn the microwave immediately.
      3.Do not use for children under 3 years old.

Package Included:

      1 hand warmer (excluding water)