Topeak DynaWedge Seat Bag Pack Micro TC2294B

Bag Attachment Hook & loop straps at rails / Rubber strap at post
Capacity 0.35 L / 21 ci (Micro)
Material Elastic polyurethane fiber / EVA foam
Seatpost Diameter Fits ø25.4 - ø31.8 mm
Size 14 x 10.5 x 4.5 / 5.5??x 4.1??x 1.8??(Micro)
Weight 66 g / 2.32 oz (Micro)