These 12 by 12 targets are self-adhesive and will stick to any surface. No more forgetting your staple gun or running out of staples with these targets. And of course you can extend the life and use of your target with the repair pasters. These value-added pasters can be used to cover bullet holes or as separate aiming points. - Self-adhesive and will stick to any surface - Extend the life and use of your target with the repair pasters