LD Systems Stinger Sub 15 G3 CB, Stackable Roller Board, Suitable for Stinger Sub 15"", Material: 15 mm birch plywood, With two integrated butterfly locks for securely attaching the subwoofer, 4x 100 mm wheels (of which 2 are with brakes), Dimensions (W x L): 567 x 624 mm, Weight: 6 kg, Colour: Black