Ample Quantity -- You will get 6 different sizes of plastic coin stamp set pages, including 2 pockets, 4 pockets, 12 pockets, 20 pockets, 30 pockets, 42 pockets, 3sheets/style, 18pcs in total, sufficient quantity is enough to meet your daily use needs. Size information -- Rectangle 2 compartments about 10x7.7 inch, inner diameter: 6.9x4.72 inch; Rectangle 4 compartments about 10x7.7 inch, inner diameter: 6.9x2.24 inch; Rectangle 12 compartments about: 10x7.9 inch, inner diameter: 2x2.28 inch; Rectangular 20 compartments about: 10x7.9 inch, inner diameter: 1.7x1.85 inch; Rectangular 30 compartments about: 10x7.9 inch, inner diameter : 1.3x1.5 inch; Rectangle 42 grid approx: 10x7.9 inch, inner diameter: 1.27x1 inch. Premium Material -- This coin and stamp collection page is made of high quality plastic, which is waterproof and dustproof, sturdy and durable, it can help you to collect your coins or stamps well and display them nicely. 3 Holes Design -- These stamp sets are designed with 3 holes, the diameter of the holes is about 5.5mm, it is convenient for you to clip them into a binder, which can well prevent you from dropping or losing your coins or stamps. Widely Used -- These stamp sets pages are widely used to collect coins, stamps, etc. You can also use them to collect photos, mugshots, letters and any other meaningful things.