Airline regulation carry-on size (when unexpanded)</br>Wide mouth main compartment opening</br>Dual internal mesh zippered compartments</br>Internal side Accessory pockets and compression straps</br>3 inch expansion zipper capability</br></br>Product Description</br></br>Airline regulation carry-on size (when unexpanded)?? wide mouth main compartment opening?? dual internal mesh zippered compartments?? internal side accessory pockets and compression straps?? 3 inch expansion zipper capability?? telescoping pull handle?? heavy duty chassis?? smooth ride urethane wheels.</br><br/>http://www.amazon.com/gp/product/B0106X6FX6