... screw, such as copperVol / size300ml – 2000mlFeature1, First grade natural rubber hot water bottle,2, Resistant to boiling water; 3, 100 ... Coral fleece cover4, Polar fleece5, Short/long-pile velour6, Plush toy cover, etc.MOQ3000pcsStyleHeart-shaped/rectangular, etcCustomized colors and designs are ... test.The hot water bag is made of by Natural Rubber material, also can with kinds of cover, it is ...