The convenient Modern Elements aluminum fold-away color tray has a detachable lower shelf that hangs when folded up for storage. The aluminum tray is 13"x18" with a removable black plastic tray that is 9 1/4"L x 8 1/2Wx 1 3/4"D. The height of the color tray is 35" on four rolling casters. The locking release lever located under the aluminum tray keeps the color tray in a secure and operational position.