KLM allows one piece of luggage with you and an accessory free of charge if you are flying economy.
If you are flying business class you may bring two pieces of these hand luggage with you and an accessory.
The weight must be a combined weight of your hand luggage and your handbag of 12kg in economy and 18kg combined in business class.
The accessory has to be smaller than your hand luggage with a guideline of 40cm x 30cm x 15cm, this goes to both economy and business class.
Your luggage will need to be placed under the seat in front of you and you need to be able to lift your own luggage into the overhead lockers by yourself.
KLM allows one small clear plastic bag for each passenger 20cmx20cm per passenger, this can hold liquids and pastes to the volume of no more than 100ml per item and a litre capacity altogether, please keep these type of items altogether examples can be
Please visit Restricted or prohibited items before you board your plane and to check what exactly you can take on board.
If you are boarding another plane on your travels please check with your other airline to see if your hand luggage meets your other airlines requirements
Large bags that do meet requirements may still need to be checked in at the gate free of charge, due to the limited space in overhead bins.