These EASY-GRIP DEISGN 500ml GAIAM water bottles have double-walled insulation, are non-toxic and in stainless steel. They keep cold for 24 hours and warm for 12 hours. *One bottle per order. 6 assorted colors: green, lilac, blue, patterned blue, patterned pale blue, patterned gray. Limited quantity. Only available colors will be delivered. Dimensions: 10 ¾ ’’ X 2 ‘‘ ’. Weight: 299 g.