On our website, you can view the dimensions of allowed hand luggage when making an order at the passenger details entry stage. You will see the terms of the selected fare and the Luggage transportation rules button under them. Click it to see detailed information about the weight and dimensions of both hand luggage and luggage.
See also #
Pobeda Airlines hand luggage rules
How to add luggage if I already have a ticket
How to carry sports equipment and non-standard luggage
Things you can bring on board as hand luggage
How to add luggage if I already have a ticket
How to carry sports equipment and non-standard luggage
Things you can bring on board as hand luggage
If you still have questions, write to the Ozon Travel support chat.