1.Main material:polyester or nylon, various colours are available.

2.Lining:Polyester 150D or 210D, can print all kins of pattern.

3.Two tube telescopic aluminum handle, iron trolley is available.

4. Built-in wheels, all kinds of wheels are available,such as 2wheels(ski wheel, truck wheel...)whith feet,4   wheels,5wheels.

5.With expandable part,zipper 8#,can be 10#if need.

6.Main zipper: 10# zipper, various shape of zipper puller to be chosen.

7.Size:20"24"28", any other size is possible.

8.Inside structure:multi-fanctinal pockets, cross webbing band, 20 inch bag with inside laptop bag...