3D Glasses Red and Cyan Anaglyph Cardboard BLACK Frame - 50 PAIRS - Internet, YouTube, Movies, Print - SHIPS FLAT Used for 3D (Red and CYAN) viewing on internet, DVDs, VHS tapes and broadcast TV (anaglyph) Black Frame - black color inside and out - 50 PAIRS Black cardboard frames with temples for a low-cost solution of your anaglyph needs. With red and cyan filters, the glasses can be used for either red left or red right depending on which way you fold the temples. Two different fold-scores allow you to fit the glasses to smaller or larger viewer's heads