Glasses use ChromaDepth process to create 3-D effects from blacklight effects with fluorescent paints. Horrific images assault your vision by putting the color red in the foreground and sorting the remaining colors according to their position in the rainbow. Red, orange, yellow, green, blue, indigo, and violet. Ordering quantity of 1 gives you 1 pack of 50 glasses. Sold only as a bundle of 50 glasses per 1 unit.