Plastic 3D Glasses - The Original Pro-X Anaglyph 3D Glasses. Includes a Bonus Virtual Tours National Park 3D Booklet Plastic 3D Glasses  Pro-X Professional Anaglyph 3D Glasses. Includes a bonus Virtual Tours National Park 3D Booklet. Thirty-Three pages of our original stereo photography and interpretative text. Includes two additional pairs of matching Virtual Tour paper anaglyph 3D Glasses. Ophthalmic quality polycarbonate lenses tinted to exacting color standards. Virtually eliminates ghost images and other annoying visual distortions. Lenses are red and cyan. Package Includes (1) Pair Pro-X 3D Glasses, (1) Grand Canyon NP Virtual Tour Booklet (2) Virtual Tour Paper 3D Glasses