This Lightning Bolts Reflective Decal Set comes with 6 lightning bolts 3 facing left and 3 facing right Each Lightning Decal is 5" long and 1/2" high. They are designed to fit on bike frames and vented bike helmets. But you can apply them to any smooth hard surface like plastic, metal or glass. This Hyper Reflective Lightning Bolts decal set comes on together on a sheet that is 3-3/4" wide and 5.25" high. You can cut them apart to make a custom arrangement for your gear! This Reflective Lightning Bolts helmet sticker set is cut from Genuine 3M, Automotive Grade, Retro Reflective Safety Vinyl. This is the same reflective decal material used on police cars and fire trucks. They look like regular decals in the daylight, but at night they glow under flashlights and headlights.