I purchased this on Mercari before. I used it only once. The following is a quote: This is a silicone mold for making your own name tags with resin, etc. This one has a heart-shaped hole for attaching ball chains, etc. ☆ I am listing only the items I have in stock. You can purchase it immediately without commenting. ※ The keychain on the right in the photo is a sample actually made with the same mold. Only the mold is for sale. It is made of safe silicone material that can also be used for food preparation. Finished size, approximately: Length: 4.8cm Width: 2.6cm Thickness: 5-6mm As this is a handmade item, please consider purchasing only if you are not concerned about minor details.