PS 6 is happy to offer this double-coated bottle to keep liquids cold for 24 hours or hot for 12. Made with 18/8 double-walled stainless steel that's non-toxic, non-leaching, and BPA free with a soft touch rubberized exterior. Vacuum sealed to keep liquids and carbonation fresh. Fits in a standard size cup holder. The perfect size to take to lunch or on a school adventure! Choose blue or black silicone color.