This product is great for all of your offensive drills, especially when your offensive linemen are working on the sled and not available. Defensive stunts can be ran as well. With this product, you can customize your team name, logo, positions, as well as number defensive gaps. Ghost Blockers is very versatile and is designed to lay flat on any surface. It can be used on grass, field turf, gym floors, or even on a parking lot. There will be no more tripping over cones or hoses. A built-in handle is located on the top of each matt making it easy to carry and set in place. Ghost Blockers are sold in sets of seven (double tight formation). We are excited and proud of this innovational coaching product and we believe if your team or organization invests in Reed's Ghost Blockers, your program will benefit.