Wannabe Onetouch 350ml Black Leak Proof Insulated Water BottleThe Wannabe Insulated Water Bottle is made of 316 stainless steel which is a mirror finishing method applied to inner bottles that is resistant to smell and color staining and is easy to wash; The compact size fits in one hand and its is as light in weight as a smartphone; The triple air cap and double vacuum structure maintain excellent heat (65*C and above) and cool (8*C and below) insulation power up to 12 hours; The ice strainer prevents the