This origami paper pack contains 500 high-quality origami papers printed with Matrix Optical Illusion patterns -- bring your origami to a whole new dimension! These exciting black and white designs were developed to enhance the creative work of origami artists and paper crafters. The pack contains 12 different designs unique to this set, and every sheet is printed with a contrasting colour on the reverse to provide aesthetically pleasing combinations in origami models that show both the front and back of the sheets. This origami paper pack includes: 500 sheets of high-quality origami paper 12 unique designs Over 40 sheets of paper for each design Double-sided colour 15 cm x 15cm (6 inch) squares Instructions for 5 easy origami projects.