This Single contains one color-coded BGR-110 with accessories and a neoprene sleeve. It's compatible with over 200 cinema lenses and supports front diameters: 104 mm 110 mm Description: For lenses with front diameter 110 mm , the Single includes one Bun-G-Ring: Bun-G-Ring 1 x BGR-110 Color code This Single also supports lenses with front diameter 104 mm with the following Step Down Ring (SDR), which fits inside the BGR: Step Down Rings 1 x SDR-110-104 Color code In case of unwanted light leakage, it also includes Light Stopping Inserts (LSI) that attach to the BGR via built-in magnets: Light Stopping Inserts 1 x LSI-110 (4x4) 1 x LSI-110 (4x5.65) Color code Finally, the BGR-110 (Single) comes with a neoprene sleeve (designed to fit a BGR + 4x5.65 filter) for storage. ♻ The shipping box and all packaging materials are made from recyclable and biodegradable materials.