Product Details: There are 16 pieces DIY sublimation blank keychain plates in the package, the classic subway/motel hotel keychain shape is perfect for your keychain. GIFT USE: You can print unforgettable moments with friends on the blank keychains by sublimation technology, will be a nice gift for your friends, girlfriends, mothers, sisters, etc. Besides, you can DIY your own patterns as gifts for them by the following ways. PREMIUM MATERIALS: Sublimation blank signs are made of high-quality medium-density fiberboard (MDF), lightweight, smooth and durable, not easy to fade or wear, non-toxic, suitable for any . How to Use: Please set the temperature of the transfer machine between 180 and 190 degrees Celsius / 356 and 374 degrees Fahrenheit, which is a suitable temperature for heat transfer printing. In addition, there is a protective film on both sides, please tear it off before use. Both sides of the blank sign can be printed because it is a double-sided coated sublimation sign.