Glassine envelope is made of glassine paper with good translucence and stiffness. 1. 1.75 X 2.875 inches 2. 2.3125 X 3.625 inches 3. 2.5 X 4.25 inches 4. 3.25 X 4.875 inches 5. 3.125 X 5.0625 inches 6. 3.5 X 6 inches 7. 3.75 X 6.75 inches 8. 4.125 X 6.25 inches 9. 4.5 X 6.625 inches 10. 4.125 X 9.5 inches 11. 4.5 X 10.375 inches 12. 9.5 X 11 inches. Packing: carton