Poly Biodegradable Black Shipping Bag,Cornstarch Shipping Bag,Reusable Envelope Bag

1. THICKNESS: 2.3 Mil thick heavy-duty 10x13 poly mailer are waterproof and durable, highly resisting tears, punctures and damages

NO SEE THROUGH: These large poly mailers were no see through, black inner lining protect your privacy perfectly

QUICK SEAL: poly mailer come with quick self seal adhesive, is very sticky that will seal the bag very well and tamper-evident

WIDELY USE: Our 10x13 shipping bags make a great idea for quickly shipping clothing, pants, blankets, leggings, t-shirts, and other non breakable items

2. PREMIUM QUALITY ENVELOPES have a good stretch, lightweight and water-resistant. Lower the shipping cost of your business and protect your products on the rainy or snowy day.

TEAR RESISTANCE SELF SEALING ENVELOPES. The adhesive on the fold-over flap is really strong and tamper-evident. There's no need reinforcement tape and it doesn't come apart unless you tear it up.

ONLY FOR NON-FRAGILE ITEMS. The shipping envelopes are perfect for sending clothes and other Medium-sized soft presents.

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