16949 8" x 16" Cinder Block - Running Bond Block Vac-U-Form™ Styrene - Single use. ABS Plastic - Up to 15 reuses. Max Depth: 0.25" Block Size: 15.5"W. x 7.5"H. with 0.5" mortar joints Part Size: 96"W. x 48"H. Click here for cut-sheet