Sanger Ribbed Hot Water Bottle Dark Blue 2L. One-Piece Moulded Hot Water Bottle in White - safe, reliable and proven The Snger Natural Rubber Hot Water Bottle provides soothing heat in cold nights and increases well-being. Their technically new developed hot water bottle is constructed from a single piece of rubber being moulded integrally with the bottle walls, instead of being bonded. This makes the Snger rubber hot water bottle a truly one-piece moulded, water-tight product. See also 1513-P , 1513-R and 1513-W for a different colour,the 1514-O , 1514-B and 1514-R with an elegant fleece contour cover, S630 for a 3L bottle or 1541-BP and 1541-DB for childrens bottles Lost your stopper? See the 1542 to get a spare One piece moulded rubber 2 litre hot water bottle. Ribbed both sides. TUV tested, EN71 certified. Ref: UTWI481