Usage:Coin Collection 1. Material: Paper 2. Expanded size: 100 x 50 mm 3. Folding size: 50 x 50 mm 4. Round diameter: 40 mm 5. Weight: 75 grams 6. Specifications: 50 sets 7. Usage: Put the coin in the middle of the hole, staple the paper clip with a flat angle to fix the nail, or use double-sided tape to stick the four corners
