This umbrella is double layered black externally white internally it allows about 50 transmission of light to provide a side even and soft illumination its light weight easy to use and assemble makes it be ideal for both portraits and group shots or shooting on large objects the shaft is finished off with a 7mm tapered tip allowing for use with many european and specialty light some lights have a 7mm catch pin making them difficult to find modifiers that will work with them our catch