On code sharing flights, the operating airlines transport rules may apply. Looks like there are no fees but if your bag exceeds the allowable dimensions your bag will be put in the hold.
Anything more than 5 kgs comes with a charge.
Max Dimensions:
55 x 35 x 25 cm
Linear
115 cm
Weight Restrictions:
7 kg
0 lbs
30L 3.25lbs
✈️ 98% - 20x13x8in
22L 3.13lbs
✈️ 98% - 19x11x5in
36L 2.5lbs
✈️ 81% - 20x14x8in
42L 4.6lbs
✈️ 64% - 22x14x10in
42L 3.6lbs
✈️ 65% - 22x14x10in
44L 2.8lbs
✈️ 65% - 21x14x10in
44L 2.5lbs
✈️ 65% - 22x14x10in
45L 3.1lbs
✈️ 47% - 23x14x8in
40L 2.4lbs
✈️ 47% - 21x14x10in
35L 3.5lbs
✈️ 98% - 20.5x13.8x4.7in
60L 5.4lbs
✈️ 88% - 28x16x8in