100pcs Kraft Paper Envelope Bag Express Bubble Bag Packaging Bag, Size: 15x18+4cm, 15x18+4cm

1. Made of kraft paper with foam lining, shock and drop resistant
2. Edge pressing 1cm can effectively prevent bursting, easy to use
3. Strong adhesion, can not be reused after tearing
4. Waterproof and dustproof, effectively prevent rainwater from penetrating the bag
5. Material: 110g coated paper, 60g bubble film
6. Product specifications: width x length x sealing