Material: rubber, unlike other unrealible water bags, it can resist the hot water pressure comfortably.

high quality guaranteed rubber hot bag, leak proof, colorful, high quality , easy to clean & keep water hot for long time.

fill 2/3rd of the bottle and before thightening the stopper expel the excessive air.

treats muscular pain, induces relaxation, releases stress instant relives joint pains, muscular camps, menstrual pains, stomach and back aches and breast cancer awareness.

no coins, no swap, no return, not used even once it's new..