Coronation hot water bottle is a hot water bottle well suited for bones and joints pain.It is also highly beneficial for stomach pain, back ache and even in curing Arthritis.Useful in pains due to the physical activity and muscle cramps.Just make sure to hold the bottle in an upright posture, & slowly fill the water in the bottle to avoid the hot water splashing back.Never use the hot water above 65-700C. Don't make use of boiling water.An adult should always handle the bottle always to avoid any complications.The packet contains 1 device. Buy today for effective results.