Papermania-Geometric Mocha Envelope Bags. These string tie, office style envelope bags are great for gift cards, photos, planner pages and more! This package contains two 5x2-3/4 inch envelope bags, two 6-1/2x3-1/2 inch envelope bags and two 8x4-1/4 inch envelope bags. Non-toxic. Acid and lignin free. Imported.