Topeak wedge ii seatpack with quickclip updated and improved version of our popular wedge pack made from durable 1000 denier fabric with a high quality quick release mounting system positive locking rail f25 fixer allows removalmount in a snap expanding design m l includes rain cover s m l 3m reflective strip tail light strap capacity micro 30ci small 50ci medium 58 76ci large 76 100ci