This Paragon 7901 roll top bubble is designed specifically for use with your Paragon cotton candy machine! Made of durable polyester for high impact resistance, this bubble offers clear visibility while making cotton candy. Plus, its roll-top design allows you to have easy, one-hand access to the bowl when making floss, while still protecting the contents of the machine from dust, insects, and airborne particles. This roll-top bubble fits 25" to 26" diameter bowls.