Eagle Creek Pack-It Specter Compression Cube Set - 2pc Set (One Size, Deep Plum) Silnylon Ripstop ImportedCompression zipper for even more space savings Capacity: 175 cu in (half cube), 450 cu in (cube) | 3 L (half cube), 7.5 L (cube) Expanded Capacity: 375 cu in (half cube), 825 cu in (cube) | 6 L (half cube), 13.5 L (cube) Dimensions: 10 x 7 x 1 in (half cube), 14 x 10 x 1 in (cube) | 25 x 18 x 3 cm (half cube), 36 x 25 x 3 cm (cube); Expanded Dimensions: 10 x 7 x 4 in (half cube), 14 x 10 x 4 cm (cube) | 25 x 18 x 10 cm (half cube), 36 x 25 x 10 cm (cube) Weight: 1.5 oz (half cube), 2 oz (cube) | 45 g (half cube), 63 g (cube), Material: Silnylon Ripstop