Features:

-Material:Rubber;Size:15x25CM/5.85x9.75'';
-Each water bottle and its leak-proof stopper and neck have passed rigorous fitness and strength tests.
-Generally, the hot water bottle will stay warm for 3-4 hours if you use them without covering. The warm time will be longer if you use them in bed under quilt or blanket.
-These classic hot water bottles are your perfect warm companion. They are also great to help ease period pains. By placing a hot water bottle on the lower tummy area to provide relief from cramps. Great gift choice for girls!
-Hot water bottle can be used alone as a remedy for aches, pains and sports injuries.
-A hot water bottle is a time-honored method of treating sore muscles, stress or cramps, arthritis, aches and pains, stiff necks, lower back pain, menstrual cramps and other common aches and stresses of everyday living.
-Hot water bottles are easy to travel with, especially on a long flight or bus ride.
-Easy to use:1. Remove excess air after fill with hot water.2 Inject 2/3 of hot water into the hot water bag.3.Tigghten the nut. 4.Wipe water with a rag.
-Relieve your monthly cramps as the heat from the water bottle helps improve blood flow which eases the menstrual pain for a lighter and relaxed feel.

Package included:

1 x Hot Water Bottles
1 x Knit Cover