This is a dedicated canopy masking sheet. The price is for one unit. For those purchasing multiple sheets, we offer a discount based on the number of sheets purchased. Please let us know in the comment section beforehand. We will create a dedicated page for your purchase. Discount: 2nd sheet: ¥50 off 3rd sheet: ¥100 off 4th sheet: ¥150 off, and then an additional ¥50 off for each subsequent sheet. Plastic model is not included.