Can I bring a cabin-sized suitcase on the plane?

When traveling with a carry-on suitcase, most airlines permit you to bring it into the cabin with you. Airlines typically set specific size and weight limits for cabin baggage, whether stored in overhead bins or under the seat. For example, Turkish Airlines allows one carry-on bag measuring up to 23x40x55 centimeters and weighing 8 kilograms, while Pegasus Airlines permits a single bag with maximum dimensions of 55x40x20 centimeters. There is no charge for cabin baggage within these size limits, but exceeding these dimensions may incur extra fees. As size and weight restrictions vary by airline, it's advisable to review the specific rules of the airline before packing. When preparing your cabin baggage, consider certain points: liquids, including baby food, should not exceed 100 milliliters and must be in a sealed plastic bag. Prohibited items in carry-on bags include flammable, sharp, piercing, and crushing objects. Medications without original packaging, a prescription, or a doctor's note should not be placed in your cabin baggage.