60 MATEIN bags with dimensions published on MATEIN's own store, each checked against every airline's cabin limits. The one that passes as a carry-on on the most airlines is the 3 in 1 Briefcase Backpack (154).
Travel backpack · 18.1 × 12.9 × 8.5 in (46 × 32.8 × 21.6 cm)
Travel backpack · 19.5 × 12.8 × 8 in (49.5 × 32.5 × 20.3 cm)
Travel backpack · 18 × 13 × 8 in (45.7 × 33 × 20.3 cm)
Travel backpack · 17 × 12.5 × 6 in (43.2 × 31.8 × 15.2 cm)
Travel backpack · 20 × 13 × 8 in (50.8 × 33 × 20.3 cm)
Travel backpack · 21 × 13.5 × 8.5 in (53.3 × 34.3 × 21.6 cm)
Travel backpack · 18 × 12.5 × 8 in (45.7 × 31.8 × 20.3 cm)
Travel backpack · 19.5 × 13.5 × 8 in (49.5 × 34.3 × 20.3 cm)
Travel backpack · 19.3 × 13.4 × 7.1 in (49 × 34 × 18 cm)
Travel backpack · 19.6 × 14.4 × 9 in (49.8 × 36.6 × 22.9 cm)
Travel backpack · 20 × 14 × 9 in (50.8 × 35.6 × 22.9 cm)
Travel backpack · 18 × 14 × 8 in (45.7 × 35.6 × 20.3 cm)
Travel backpack · 18 × 12 × 7.5 in (45.7 × 30.5 × 19.1 cm)
Travel backpack · 19.1 × 12.8 × 8.5 in (48.5 × 32.5 × 21.6 cm)
Travel backpack · 18.1 × 12.2 × 6 in (46 × 31 × 15.2 cm)
Travel backpack · 19 × 13 × 6 in (48.3 × 33 × 15.2 cm)
Travel backpack · 20 × 13.4 × 6.6 in (50.8 × 34 × 16.8 cm)
Travel backpack · 21.5 × 15 × 9.5 in (54.6 × 38.1 × 24.1 cm)
Travel backpack · 18 × 12 × 7.8 in (45.7 × 30.5 × 19.8 cm)
Travel backpack · 18 × 12 × 7.8 in (45.7 × 30.5 × 19.8 cm)
Travel backpack · 18 × 12 × 7.8 in (45.7 × 30.5 × 19.8 cm)
Travel backpack · 19 × 13.8 × 7.8 in (48.3 × 35.1 × 19.8 cm)
Travel backpack · 21.2 × 15.7 × 9.8 in (53.8 × 39.9 × 24.9 cm)
Travel backpack · 45 × 30 × 19.8 cm (17.7 × 11.8 × 7.8 in)
Travel backpack · 18.5 × 13 × 7.8 in (47 × 33 × 19.8 cm)
Travel backpack · 18 × 14 × 8 in (45.7 × 35.6 × 20.3 cm)
Travel backpack · 16.9 × 12.4 × 7 in (42.9 × 31.5 × 17.8 cm)
Travel backpack · 18.3 × 13 × 7.8 in (46.5 × 33 × 19.8 cm)
Travel backpack · 20.5 × 14.2 × 8.5 in (52.1 × 36.1 × 21.6 cm)
Travel backpack · 20 × 14.9 × 10.2 in (50.8 × 37.8 × 25.9 cm)
Travel backpack · 22 × 15.7 × 10.2 in (55.9 × 39.9 × 25.9 cm)
Travel backpack · 17.5 × 12.6 × 6.5 in (44.5 × 32 × 16.5 cm)
Travel backpack · 16.5 × 11.5 × 8 in (41.9 × 29.2 × 20.3 cm)
Travel backpack · 19 × 13 × 8.5 in (48.3 × 33 × 21.6 cm)