1. Fireproof Safe Protection: Coin collection book made from premium silicone fiberglass material that can withstand extreme heat up to 2000 ℉. The album has a zipper to close the album for extra keeping and protection. In the event of a fire, coin albums for collectors provide precious time to save your valuable coin collection. 2. Pockets are available in 3 sizes: 1.38x1.38 inch: 30 pockets per page totaling 6 pages, 1.77x1.77 inch: 20 pockets per page totaling 6 pages, 7.1x3.7 inch: 3 pockets per page totaling 12 pages. 3. Thickened Pages with High Transparency: Inside you will find crystal clear pages that have slots for two different size coins. These pages are crystal clear and very easy to see what you have in there. Each coin and bill is stored in a separate pocket to maximum protection from scratches and damage. 4. Compact and Easy to Store: At the top of each cell is a little flap that helps to secure your coin in place and keep it from falling out and running away. The pages have little slots/envelopes where you insert the coins and the flaps on top ensure that they don't fall out. Various size slots for your various size coins too. Each coin is kept in its own individual slot/pocket keeping it protected.