Yes. These places can be booked so that there is a guarantee of reserving the kinds of seats where the cradles can be placed. The cradles on our A321 craft are at the following seats: 1A-C and 2D-F, and on our A330 craft, the following seats: 8G, 30D and 30H. The child can weigh 10 kg at the most, and should not be over 70 cm long.