This hot water bottle cover is made from 100% knitted jacquard lambswool fabric which provides a soft and comfortable feel. The cover includes a 2-litre rubber hot water bottle and measures approximately 33 x 21 x 5cms. Some of the common uses for hot water bottles with wool covers are: Pain relief Stress reduction Aid for sleep Directions of use: · Do not use boiling water when filling the hot water bottle. · Fill to a maximum of 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. · Finger tight should be adequate. Care Instructions Hand wash or machine wash on a wool program only, 30 degrees or lower. Do not tumble dry. Dry flat. Iron on low temperature. Age Group Adult (13+ years old) Gender Unisex.