Add images: Just use the sublimation printer to transfer your patterns and photos to create a keychain, as a gift to family, friends, and lovers. Multiple usages: Round heat transfer keychains are suitable for varieties of occasions, such as birthday parties, Mother's Day, weddings, summer camps, Christmas, Halloween and more. They can also be taken to decorate keys, bags, backpacks and other objects. Sublimation way: get your favorite or meaningful pattern and print it on the aluminum board attached with the sublimation printer, then peel off the glue on the back of the metal board and onto the round keychain. Note: Print Tear off the protective film on the aluminum plate before, the suitable sublimation temperature is 360-380 degrees Fahrenheit for 60-80 seconds colour: as shown Material: metal Package Contents: 12 x Sublimation blank keychains Only the above package content, other products are not included. Note: Light 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.