The iDrink Unicorn-themed/Colored Thermal Bottle, 595ml, reference ID0559, is an insulated bottle for hot or cold drinks. Made of 304 stainless steel inside and out, BPA-free, with a double wall and vacuum seal that keeps drinks cold for up to 24 hours or hot for up to 12 hours without spilling. The unicorn theme brings this whimsical motif to the thermal version of the range. It's a great option for fans of this theme who prefer an insulated bottle over the Tritan version.