... frame and mental corner 2)case size:40*24.5*35 3)two layer and trolley on front ... side 4)offer OEM Production Description Aluminum trolley case:Surface:PS +MDF or ABSpanel + ... and handleInterior :Velvet liningDouble open is more fashionA trolley behind the case makes it convenient to travelOEM: ... light case, tool case, equipment case, mixed case, trolley case, moving head light case, DJ case) CD case ...