Our glow skull eye glasses are one of our most versatile products.Use them as costume accessories, party favors, stocking stuffers, and whatever else you can think of! These glow eye glasses will glow 1 time, for 8-10 hours. Each package contains 2 glow sticks, 1 eyeglass bridge and 2 eyeglass arms. They measure 8 inches across. they come in assorted colours. Assembling and activation is easy with 2 simple steps: First, snap and shake the glow sticks. Second, link up the liers.