Your 割印 捺se they seal with a binding covers.
Manufacturer Name: zyapaninta-nasyonarukoma-su
Binding Machine (Hot Melt Type)
Standards: A4
Binding width: 1.5 mm
Quantity: Pack of 10
Cover: clear
Material: Front cover back paper = = polypropylene, paper
割印 with seal
Binding number: ~ up to 20
Purchase unit: Pack of 1