Made of durable 1680 Ballistic Nylon, the A. Saks EXPANDABLE 21" Soft Carry On is great for any type of traveling.  This bag is frame-less by design.  Being frame-less, this bag can be packed and stuffed into any corner which is a necessity for puddle-jumper flights and safari expeditions.
Model Number:  BBR-21
Material:  1680 Ballistic Nylon
Dimensions:  21" x 14" x 9"
Linear:  44"
Capacity:  2646 cu. in. / 43 L
Weight:  1 lbs.
Lightweight 1680 ballistic nylon 
Each side expands independently of each other for a total of 4 inches
Nylon dual carry handles which can convert to shoulder strap
1 outside zippered pocket
Interior tie down straps
Front and back zippered access
Interlocking heavy duty zippers