Packing list: 40 pieces round sublimation blanks, 40 pieces chain key rings and 40 pieces open jump rings, enough quantity to meet your different needs Stunning Dye-Sublimation Blanks: You can DIY or print your favorite patterns on the of these sublimation keychain blanks via dye-sublimation technology, just beyond your imagination High-quality material: The sublimation blank is made of MDF material, which has a smooth and comfortable feel, is and has high hardness. It is an Perfect decoration for keys, bags, mobile phones, etc. Double-sided printing and protective layer: These heat fer blanks are double-sided printed, you can create various images or patterns on both sides, smooth and easy to sublimate, perfect for improving experimental abilities and stimulating imagination Easy to use: If you want to fer images or patterns on the sublimation keychain blank, please set the temperature of the fer machine to 180 degrees Celsius (356 degrees Fahrenheit) for 35 seconds, the heat fer temperature and time are affected by the local temperature and temperature. Colour:White Material:MDF Package Contents: 40 * blanks 40 * rings 40 * chains 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.