SJPACK 1000 Pcs 9 x 12 Poly Mailers Envelopes Shipping Bags Poly Bag Mailer 2 Mil - White Pouches Self-Sealing, Waterproof and Tear-Proof Postal Bags

9x12 inches,2 mil poly mailers,1000 bags in total Self-sealing adhesive for quick and easy packing of items White outer surface & black inner layer provides confidentiality.