Available for 51” White PLM umbrellas Eliminates unwanted back spill light, further maximizing the output in bounce mode. The black fabric fits over the back arc of the open umbrella. The fabric features a small opening in the middle for the umbrella pole tip, and it has silver spoke tip ends that fit over the umbrella's 16 spoke tips. Note: This fabric DOES NOT work with the SILVER PLM versions and is also not compatible with our retired speedring-mounted style PLM umbrellas. The Black Outer Cover Fabric is available in 51”, 64”, and 86” for the corresponding size White PLM umbrellas. When used with the White PLM, it eliminates unwanted back spill light, further maximizing the output in bounce mode. The black fabric fits over the back arc of the open umbrella. The fabric has silver spoke tip ends (to fit over the 16 spoke tips on the umbrella) and has a small center hole opening for the umbrella pole tip. Please note this fabric DOES NOT work with the SILVER PLM versions. *Not compatible with our retired speedring-mounted style PLM umbrellas.