Birchwood Casey 3" Green Target Spots are adhesive target stickers in a highly visible atomic green, with ten sheets of four stickers each. The crosshair design fulfills the needs of open sight shooters along with scope users. The Birchwood 3inch Green Adhesive Target Spots are convenient, easy to use, and create an instant bull's-eyes for all types of target practice. The high-contrast, fluorescent green color lets you see a sharper sight picture and bullet holes more clearly for better scores and smaller groups. Easily line up your open sights on the center square or lay the crosshairs along the vertical and horizontal diminishing lines. As an additional option, rotate the Birchwood Target Spot Pasters 45 degrees, to position the crosshairs in an X pattern. In addition to the Birchwood Casey 3" Target Spot Shooting Target Stickers, there are a variety of other sizes and colors, made for different distances and uses - rifle, shotgun, handguns and even archery. check them out!