The Lightning Sticker Set comes with 6 decals Each decal is 5" long and 1/2" high. The Lightning Bolt decals are designed to fit perfectly on your bicycle frame or on a vented bike helmet. You are not limited to using this Lightning Sticker Set on just bicycles. They are good on any smooth surface! You can add safety to your bicycle helmet, skateboard helmet, roller skate helmet, work helmet, motorcycle, and car!