When you go out shooting, you want a reaction. These revolutionary self-adhesive targets explode in color upon impact and the bright yellow ring around the bullet hole is visible to the naked eye - allowing you shot after shot without interruption. To use, simply apply to an existing target or penetrable backstop. See bullet holes instantly, without the aid of spotting scopes or binoculars. Great for all firearms and calibers. Indoor/Outdoor use. Excellent for those with reduced vision capabilities. Self-Adhesive. For long range shooting, slugs and muzzleloaders. Large 18" Bull's-Eye. 12 pack.