The Bubble Magic Shaker bag is made from waterproof neoprene material, with a built in mesh screen. It features attached handles, and Designed for the dry ice extraction process. Available in several different microns. The Bubble Magic Shaker bag is made from waterproof neoprene material, with a built in mesh screen. It features attached handles, and Designed for the dry ice extraction process. Available in several different microns the Bubble Magic Shaker bag is only compatible with the custom-fit Bubble Magic Bucket.