SJPACK White Poly Mailer 1500 Pcs 10 x 13 Shipping Bags with Self Adhesive, Waterproof and Tear-Proof Postal Bags

White poly mailers, 10x13 inches, pack of 1500 Self-Seal, Water, Tear and Puncture resistant White outer surface/Black privacy lining High-efficiency mailers are perfect for a wide variety of non-fragile items "Quick-Seal" adhesive strip - Easily close and ship your envelopes, no glue or packing tape required