(1)Natural Rubber (2)B:S1970:2006 (3)2L It is made of natural rubber.Evironmental friendly.The following sizes are available: 2.7L,2L,1L,0.75L,0.5LWe provide Red.blue, white, black.All of our goods are according to B.S 1970:2006 standard.

black Hot Water Bottle