Bubble-Lined Mailers Perhaps the most popular mailer is the self-seal bubble-lined mailer. They are lightweight and inexpensive. There are 12 different sizes from 4” x 8” to 14-1/4” x 20.” The 3/16” bubble on the inside provides excellent cushioning for your product.
You can find Kraft paper mailers or poly mailers. The poly (plastic) mailers are water resistant, tear resistant, and lighter in weight than the paper. They typically cost 10-15% more than the paper.
There are mailers for CDs and there are mailers for DVDs. People use the bubble-lined mailers for books, jewelry, sports cards, and just about anything else that will fit.
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