These blue light blocking glasses are made of ABS-PMMA material and are designed to improve dry eyes, blurry vision, and eye strain. They are available in Black, Navy, or Royal Blue, with closeout colors including Gray, Lime, Red, Wood Color, and White. Imprints are done using standard silk-screen colors with an area of 2" W x ¼" H, and multi-color imprints have a two-color maximum. Packaging is a cello bag, with an optional gift box available.