... hot water bottle,2, Resistant to boiling water; 3, 100% leak proof4, Seamless moldedRubber content28%,30%,55%,etc.Cover1, Flannelet cover2, Knitted ... cover3, Coral fleece cover4, Polar fleece5, Short/long-pile velour6, Plush toy cover, etc.MOQ3000pcsStyleHeart- ... detection test.The hot water bag is made of by Natural Rubber material, also can with kinds of cover, it is very ...