PEI Coating Smooth Starry PET Film Double-Sided 3D Printing Build Plate, Size:257x257mm 1. Double Sided Printing: One side is smooth PEY sheet which has a pattern of stars and dots that will shine brightly. Different colors will appear at different angles. What is more, different colors will be left on the printing model. The other side is a textured PEI print bed with a distinctive frosted touch, provides greater adherence to the model and prints without warping. 2. Good Adhesion: The model can be firmly attached to the surface of the print bed. Please let the build plate cool down before remove the model to avoid damaging the coating. 3. Flexible and Easy to Remove: The spring steel sheet is flexible. Prints can be easily removed by hand once the build surface has cooled, or bend the build plate and remove the prints. The print mat would not be out of shape. 4. Compatible Filaments: After extensive testing, we recommend PEY to print PLA TPU PETG (temperature suggestion: 30 to 90 degrees Celsius). PEI to print PLA PLA-CF PETG PC ABS TPU Nylon etc. (temperature suggestion: <=300 degrees Celsius) 5. Easy to Maintain: You only need to wipe the PEY surface with a wet tissue and then wipe dry it with a dry tissue to keep it clean. Do not use corrosive liquids. The star pattern of the printed model may fade or disappear if wiped with hands or other oily objects, but do not worry, wiping the surface with a wet tissue or alcohol, the starry pattern can be reappeared !