WTSHOP 2 pack Premium Simple Rubber 2L Hot Water Bag <br> <br>Material : natural rubber <br> <br>Size : 7.2''x12'' <br> <br>Capacity : 2 L(2000 ml) <br> <br>Color : a red one and a green one <br> <br>Package : 2 hot water bottles <br> <br> <br>This rubber hot water bag is made of rubber, which is heat-resistant and aging resistant. <br> <br>How to use? <br> <br>1.Protect equipment : a coat cover of the hot water bag make it not easy to get dirty and hot. It also keeps the air and sunshine away, and also increases the service life of the hot water bag. <br>2.Remove the plug of the hot water bag, fill 1 / 2 ~ 2 / 3 of the water into the bag, drain the air in the bag, tighten the plug, wipe it dry, and then lift the hot water bag. After gently shaking, check that there is no water leakage, put it into the cloth cover and fasten the belt. <br> <br>Note : <br> <br>1.Hot water bag water is not the more hot the better, do not use boiling water. <br>2.After using the hot water bag, pour out the water, hang it upside down after cleaning, blow air after drying, screw the plug (to prevent two layers of rubber from sticking), and store it in a cool place for standby. Put the cloth cover of hot water bag into the dirt bag for washing. <br>3.Keep away from the sun. <br> <br>How to remove the smell? <br> <br>1.Rubber will emit a smell when heated, so it will not taste if it is irrigated repeatedly in the hot water bag. <br>2.The smell of the newly bought hot water bag may be strong, put some carbon bag near the hot water bag and keep ventilation, than the smell will be quickly removed.