Our special Stainless steel spring plates are warp-free. The thickness guarantees their firmness and your first layer forms on a leveled plane. Our laminating and coating techniques are superb and produce quality providing the best adhesive possible for all filaments. The size is 235 x 235mm compatible. PEI is best for printing all filaments. PEY is suitable for PLA, PETG, TPU, ABS. It is best to use alcohol/wet paper towels to wipe the spring steel plate, do not use Wipe with liquid!!! Take the printed product if the consumables used in the product, If it is PETG, you need to wait until it is not hot to take it out. If it is printed with other consumables The product must be taken out after it is completely cooled, otherwise the consumables be scratched! Colour:As Shown Material:PEI+PEY Package Contents: 1 * Colorful Build Plate 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.