Recommended sub-bag for training camps, away games, and matches: Drum Bag Brand new, unused. Expanded for photography and filled with towels. A 1L plastic bottle was placed next to it for comparison. - Folds up compactly when not in use (stores in a 20cm x 15cm size), making it convenient to carry. - Approximately 33L, a considerable large capacity. Size: Drum bag: Width 55cm x Height 28cm x Depth 28cm, 33L Compact: Width 20cm x Height 15cm x Width 5cm - Brand: DESCENTE Move Sport - Color: Navy/Pink - Capacity: 33L - Type: Packable Boston Bag