Product Description Pacific Mailer offer standard sizes and light weight self-sealing poly mailer envelopes bag for shipping and packing purpose. Our ECOPAK 2.35mil protected any light weight and non-fragile product and they are puncture resistance and tear resistance. Our self-seal destroy adhesive will damage the bag once it seals and closes to prevent second time reopen. Easy to recycle and 100% privacy protection. Specifications Material: PolyethyleneProduct Color: GreyProduct Size:14.5” x 19” (in)Product Weight: 21lbsPackage Includes:500 x 14.5”x 19” Self-Seal Poly Mailer EnvelopAll Pacific Mailer products GUARANTEE defect free/ damaged & come with 18 months warranty. Message us if you have any problems.