Used once and then stored. Price is firm. Thank you. This is the "Poly Expandable Duffel Bag" from TIGORA, the private brand of sports goods store Alpen. This bag's key feature is its ability to expand its capacity from 40L to 50L depending on the amount of luggage. The large opening makes it easy to put in and take out items, and it can be used in a wide range of situations such as sports, travel, and training camps. Brand: TIGORA Capacity: 40L (normal) → 50L (expanded) Size: Width 55cm × Depth 25cm × Height 28cm (34cm when expanded) Material: Polyester Weight: Approximately 860g