Sublimation Blanks Set: package include 50 pieces round sublimation keychain blanks, 50 pieces key rings and 50 pieces plastic retaining clips, 150 pieces totally sublimation keychain blanks set, enough quantity to meet your different DIY craft needs Amazing Round Blanks: you are to DIY or print your favorite patterns on the surfaces of these sublimation keychain blanks by the sublimation technology, which would be a unique gift or friends, just run out of your imagination Quality Material: sublimation keychain blanks are made of MDF material, and comfortable handfeel, and high hardness, the sublimation keychian blanks are perfect supplies to decorate keys, bags, phone and so on; Each heat transfer blank diameter about 5cm/ 1.9 inch, thickness 3mm/ 0.12 inch Double-sided : these heat transfer blanks are double-sided , you can create various image or pattern on both side, and easy to sublimate, great for improving exprimental ability and inspiring imaginations; both sides of the MDF blank are covered with protective film, just tear them off slowly and you will get a white round sublimation blank in edges Easy to Use: if you were go to transfer image or pattern on the sublimation keychain blank, please set the temperature of your transfer machine 180 degrees Celsius (356 Fahrenheit) for 35 seconds, the heat transfer temperature and time affect by your local temperature and humidity, and please keep the sublimation blank cool before you peel off the heat transfer tape or transfer the image on the second side Colour:White Material:mdf Package Contents: 50 x Keychain Blanks 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.