Carry-On & Personal Item Basics Airlines have size and weight restrictions — always double-check with your airline before packing. Typical limits: Item Max Dimensions Max Weight Standard Carry-On 23 cm x 40 cm x 55 cm (9 in x 15.5 in x 21.5 in) 10 kg (22 lb) Personal Article 16 cm x 33 cm x 43 cm 10 kg (22 lb) Examples: Roller bag, backpack, briefcase Laptop or tablet bag Camera bag Garment bag (size restrictions apply) Musical instrument Cat or small dog in carrier Duty-free