Topeak Aero Wedge Saddle Bag – Strap Mount | LargeAero shaped wedge pack witheasy-to-use strap mounting system.1000 Denier Teflon coated fabric3M Scotchlite reflective stripExpanding design (Large)Built-in pump holder (Large)Tail light strapMicro: 6.6x14x8.1cm, 0.41L, 87gSmall: 7.1×17.8×10.9cm, 0.66L, 105gLarge: 11.4×21.6x14cm, 1.48-1.97L, 176g