500 pack 5 x 7 White Poly Mailers!!Comes in different sizes.Peel and SealWhite outer Surface/Grey LiningUnsurpassed Water & Tear Resistance – Superior side seams combined with Heavy Duty 100% Virgin polyethylene High Quality envelopes highly resistant to water, punctures, and tears.Pressure sensitive self seal – Easy packing with antistatic release strip, tamper-evident, and super secure closure.2 Mil Durable FilmApproved by UPS, FedEx, and USPS.Provides excellent protection during shipments.Ultra light weight provides great savings on postage100% recyclable.Buy retail and pay Wholesale pricing!Premium Quality All orders ships within 1 business day! No bubble or padded item!