These is made of a stronger nylon than you normally see at this price point.
Brad's Deals Editor David,
This American Tourister 4-Piece Ultra Lightweight Luggage Set drops from $399.99 to $109 with free shipping at BuyDig when you use coupon code BRADSTRAVEL during checkout. This was the lowest price we found by $30. It's available in navy, black, or red. It includes 20" and 28" upright spinner bags, a duffel, and a boarding bag. The bags are made of 1680D nylon, which is stronger than bags you normally see at this price point. Sales tax is charged in most states.