Three 150ml cans of pure fun, glow in the dark silly string is guaranteed to be a big hit at your party! Use crazy string to add instant fun to more everyday objects, play party games, create silly art (outdoors), or spray into darkened corners & from the ceiling to create a spooky glow in the dark cob web effect that's deal for Halloween. Feeling really silly? Spray glow crazy string around yourself or an instant fancy dress costume (glow in the dark mummy anyone?) or simply spray into the air on dancefloors & the like to add a little more manic atmosphere to parties! Glow in the dark silly string 3 x 150ml cans For maximum glow effect expose to a household lamp for a minimum of 5mins.