100pcs Double Layer Environmental Label Warning Printed Ziplock Bag, Size:12 x 12cm 12 wire

1. Material: PE
2. Firm and smooth edge sealing
3. Thickened bone strips, strong sealing, and anti-extrusion
4. Good toughness and tensile resistance
5. Multiple specifications, the size is the outer size
6. Thickness: 10 wires (1 wire = 0.01mm)