We have found 14 bags that match these dimensions.
62x26x21cm
linear: 109cm 52L
The bags below are not exactly the size you were looking for, but perhaps you'll come to like them.
47x26x14cm
36L
39x25x20cm
23L
42x26x21cm
22L
40x25x20cm
20L
19L
40x23x20cm
18L
35x25x16cm
linear: 76cm 13L
30x25x13cm
linear: 68cm 8L
28x19x15cm
~8L
29x20x13cm
linear: 62cm 7L
20x15x8cm
linear: 43cm 2.5L