hot-water bottle 1.material:plastic,pvc,rubber 2.size:all 3.volume:450-2000ml 4.certification:SGS hot-water bottle,plastic hot-water bottle,plastic hot-water bag1) The hot-water bag has got the British Standards Institution(BSI) certificate and passed the SGS testing 2) Hot-water bag with iron cap or plastic cap 3) Made of top level plastic material 4) Two sides with diagonals 5) With cloth cover ...