The material is made of molded imported polycarbonate or ABS+PC with aluminum frame,a highly impact-resistant plastic that's strong and lightweight.

2. Four wheels allows 360 degree upright rolling in multiple directions so there's no weight on your arm.

3. Retractable handle provide easy maneuverability when extended out from the case, and stores neatly inside when not in use.

4. Locks in place in both the fully extended and stored positions for secure traveling.

5. Top Carry handle allows you to lift and case ease and comfort, or carry it by hand when rolling isn't an option.

6. Any color,size,wheels,trolley system...can be customized according to your requirement or need.OEM&ODM are welcome anytime