The limited edition Hydro Flask® 32 oz Wide Mouth Atmosphere Collection Bottle maintains beverage temperature for hours. A double wall vacuum insulation keeps beverages hot for up to 12 hours and beverages cold for up to 24 hours. With a fun, colorful, translucent strap and boot, the flask can travel with you. A wide mouth opening provides easy cleaning while odor-and-bacteria resistant features preserve beverage and flask freshness. The Hydro Flask 32 oz Wide Mouth Bottle is BPA-free.