20" Folding Bike Carrying Bag/Backpack Designed to enclose 20" Folding Bikes Constructed from Heavy Duty Canvas Carries 20" folding bikes Perfect for Organized Travel 48" x 8" x 24" (L x W x H) Keep in Mind since this is such a large bag; it can expand to a width of up to 20", but you will loose a little length as you go wider than about 12" and up