A personal item is any type of luggage that fits underneath the plane seat in front of you. Most domestic airlines in the United States require a personal item to be 18” x 14” x 8” or smaller in size. Personal items can include a purse, briefcase, small backpack, laptop bag, weekender or small duffel bag.
What’s the difference between carry-on and personal item?
The main difference between a carry-on and personal item is the size: Personal item – typical max size 18 x 14 x 8 inches or 45 x 35 x 29 cm + has to fit under the seat in front. Carry-on – typical max size 22 x 14 x 9 inches or 56 x 36 x 23 cm.