Usage Tips:HIGH-QUALITY MATERIALS: Made of high-quality cardboard,offers great protection for your coins. EASY TO USE: Place the coin in a parent window, fold it, and seal it with staples or tape. You can also mark the size, age, and texture of coins on the coin cardboard holder, which is more conducive to your appreciation and collection of coins. SAFE & RELIABLE: 6 kinds of coin flips of different sizes are more suitable for your diversified coins so that the coins do not tilt their heads, the collection is cleaner, the shaking and friction of coins are reduced, and the luster of coins is protected. good hardness, smooth coating, high parency, high ring alignment rate, neatly trimmed edges, no jagged edges. Color: White Material: paper Package Contents: 300 x Coin paper clip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.