Tamrac M.A.S. Medium Flash Accessory Pocket (Black) Tamrac's M.A.S. Flash Accessory Pocket - Medium provides fast access to a flash (such as Canon's 430EX or Nikon's SB-600 or SB-800) or to a light meter Foam-padded for protection Front pocket provides enough space for batteries or other flash accessories Quickly attaches to Tamrac's M.A.S. compatible products or to any belt