2-litre hot water bottles with soft fleece cover sold in bulk. Ideal for cold mornings or nights. Bottle: Natural Rubber. Cover: Polyester Material. Variety of designs. The hot water bottle without the cover is cream. Hot Water Bottle Instructions Directions of use: * Do not use boiling water when filling the hot water bottle. * Fill to maximum 2/3 capacity. * Hold the bottle by the neck in an upright position and fill slowly to avoid hot water splashing back. * Expel air from the bottle by lowering it carefully onto a flat surface until water appears at the opening. * Screw the stopper sufficiently tight to ensure that there is no leakage.