5 Shape Sublimation Keychain Blanks: you get 5 shapes sublimation keychain blanks, 8 pcs for each shape, round, rectangle, heart shape, hexagon and square keychain blanks are included, sufficient quantity and shapes sublimation keychain blanks to select and match with different accessories. Quality Material: Sublimation blank are made of MDF material, smooth and comfortable handfeel, and high hardness, which are perfect decorations for keys, bags, phone and so on; the thickness of each heat transfer keychain blank measures 3mm/ 0.12 inch. Double-sided Printed & protective layer: these heat transfer blanks are double-sided printed, you can create various image or pattern on both side, smooth 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 get a white heat transfer blank in smooth edges design. 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: degree board fiber Package Contents: 40 * Blank transfer blanks (heart/square/rectangular/round/hexagonal 8 each) 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.