Hobbymaster Cardboard Coin Holders (Coin Flips) - 300 assorted sizes PLUS 10x21 Loupe Magnifier Cardboard holders (also called "coin flips" or "two-by-twos") are the most common holders used for coin storage and display Made of high quality cardboard and offer great long term protection for your coins Virtually dust-free, unlike many other cardboard holders 300 total: 100 each of 3 sizes to hold most coins up to half dollar size Includes a 10x21 loupe magnifier to examine your coins up close