The hot water bottle is a solution to relieve colic of the baby. Indeed, if your baby cries, moves in all directions, he has gas is probably he has infant colic.
Do you know that placing a hot water bottle on your baby's stomach would reduce bloating and soothe your baby by soothing his pains?
Heat only the cushion filled with grains, never the cover. Only the cover is washable, cold, by hand and dry flat.