Crystal Clear Plastic Bubble is a 21-inch diameter top dome designed for use during cotton candy machine operation. It fits most 20"-20.5" cotton candy machines and offers practical protection and visibility. Practical Function Easy one-hand operation. Keeps dirt and insects away, shields the floss from dust, debris, and airborne particles, and prevents children from reaching into the machine. Also helps prevent cotton candy from flying out due to sugar overload. Size and Compatibility 21-inch diameter top dome designed for use during cotton candy machine operation. It will fit most 20"-20.5" cotton candy machines. Material and Durability Made of clear, high impact resistant polyester for strength and durability. Helps prevent cracking and rusting, provides clear visibility, and offers easy access when making floss. An accessory to your cotton candy machine. Clear Visibility and Safety Transparent design allows customers to clearly observe the making process, increasing their anticipation for the finished product. The visible cover also makes it convenient for you to operate and adds safety and style to your machine. Use Scenarios - Storefront or fair concession stand: protects floss and equipment while customers watch the process. - Birthday parties or school events: prevents stray sugar and keeps children from reaching into the machine. - Home kitchen or small gatherings: easy to monitor and maintain a clean workspace while making floss for guests.