16945 4" x 16" Aged Slumpstone - Running Bond Brick Vac-U-Form™Styrene - Single use.ABS Plastic - Up to 15 reuses. Max Depth: 0.375"Block Size: 15.625"W. x 3.625"H. with 0.375" mortar joints Part Size: 95.75"W. x 47.75"H. Click here for cut-sheet