This is a poly plastic durable retaining wall brick mold. Mold makes bricks that measure apx. 7.5" from corner to corner in front x 5" from front to back x 3.25" High. It won't take time to re-coup your money on this plastic mold. All sizes apx as plastic can shrink in forming just a bit. The framing box shown is not a must but is a big help in removing the bricks from the molds easily. It is NOT included in this listing but they are very easy to make with just a few pieces of scrap wood. You can make these for only pennies!  DON'T FORGET TO CHECK OUT OUR STORE WITH OVER 7000 BUY IT NOW MOLDS.