The 18 oz. Shake It Up bottle is BPA free! This shaker bottle features a filter screen for easy mixing. Ounce and metric markers are on the side so you can tell exact quantities. It also has a removable bottom that screws on and off for easy storage of protein powders and other dry ingredients. Mix together when your ready to drink it! Please note: this item is not intended for hot beverages. 19.7" W x 19.7" L x 31 1/2" H