... years design experice 1.The characteristic of OEM high quality lightweight aluminum briefcase : Aluminum case use aluminum ... ,damp-proof. 2. OEM high quality lightweight aluminum briefcase : Item OEM high quality lightweight aluminum briefcasePanel TypeAluminum plateInsert material ... sponge,velvet,flocked fabric,ash rubber Lock type available:number lock,key lock,padlock Coner type available:Round coner ...