Package included: 1* Hot water bottle(1L) 1* Hot water bottle cover 1* Plush belt ATTENTION! 1.Do not fill too much hot water or cold water, which will easily cause the hot water bottle to expand too much. 2.Note that the temperature may be too high when the hot water is just installed, be careful of scalding. 3.Since the hot water bottle is made of rubber, it is normal to have a smell when the hot water is first used. 4.After filling with hot water, please tighten the cap of the hot water bottle to avoid leakage.