Reusable plastic mold. Fill the mold with 80 lbs. of Concrete Mix, trowel, and remove the mold. For best results, use QUIKRETE Crack Resistant Concrete. Use For creating brick patterned paths, patios, courtyards, etc. Add color to concrete mix with QUIKRETE Liquid Cement Color (No. 1317), available in Charcoal, Buff, Red, Brown, and Terra Cotta. Mold Length: 2ft, Width: 2ft, Height 2in.