This is a touring bag series from the outdoor brand Montbell. It's a set of left and right bags, so there are two bags. One of the fixing parts is missing. -------------- Rear Side Bags Main Material: ● 900-denier polyester Weight: ● 880g (per side) x 2 Capacity: ● 15 liters (per side) x 2 It has high waterproof function, but it is not completely waterproof. It may not be possible to install depending on the shape of the bicycle and carrier. It is widely used from touring to commuting. This is a pair sale product, not a single side sale. The purchase price was 16,800 yen with the tag still attached.