Used a couple of times, but just a little too big for my use. Exterior Dimensions Standard: 66cm x 38 cm x 30cm (26" x 15" x 12") Diameter: 110cm (43") Expanded: 66cm x 42 cm x 34cm (26" x 17" x 13") Diameter: 134cm (53") Interior Dimensions Standard: 66cm x 24cm x 23cm (26" x 9.5" x 9") Expanded: 66cm x 38cm x 23cm (26" x 15" x 9") Capacity: 45L min, 65L max PD Packing/Camera Cube Capacity: 4 units + bonus space Weight: 1.77 kg (3.9 lb)