Before use : Remove stopper ,firmly grip both flat sides of the hot water bottle and pull apart gently to ensure both sides are separated before adding water.
Do Not use boiling water . Use hot water heated to maximum 42 degrees celsius .Hot water bottle can cause burns. Avoid prolonged direct contact with skin . This hot water bottled is designed to be partly filled (up to 2/3 of capacity).Plastic bags can be dangerous . To avoid danger of suffocation ,keep bad away from babies and children.