Improved opening and closing.
Guidelines on opening and zipper
Base material composition: PE single layer 40μ
Product Specifications: Side welding seal, top opening, bottom fold, opening step mat
Product Number: GP A-4
Thickness: 0.04 mm
Size (under chuck): 2.8 inches (70 mm)
Size (bag width): 2.0 inches (50 mm)
Quantity: 100 sheets.