GSSUSA Halulu 14.5" x 19" Poly Mailers Envelopes Bags, 100 Piece Size:14.5x19 inch, thick:2mil, inside color: black, outside color: white Plastic envelopes are made from recyclable materials Durable protection - top-quality poly mailers are tear and puncture resistant Confidential - opaque materials protect your privacy with a professional appearance Seals tightly - mailers are self-sealing for easy packing with a tamper-evident, super secure closure