[18   x 18   (100 Pack)]

Perfect for Pirate Ship. Maximize your profits.

This 18" x 18" poly mailer perfectly fits into Priority Mail Cubic Softpack Tier 0.5

Priority Mail Cubic Rate is the best shipping service you may find. It is not available at the Post Office and labels needs to be purchased with 3rd party shipping service such as Pirate Ship.

This mailer also will fit used USPS Large Box (12 x 12 x 6) and use cubic pricing.

CubicRate Poly Mailers are waterproof and tear-proof allowing for your items to arrive safely. Strong self seal adhesive keeps your packaged securely sealed inside. Tamper Proof Peel and Seal Closure. Made from strong 2.4 mil polyethylene. All CubicRate mailers are approved by major shipping carriers, including USPS, UPS and FedEx.

This poly mailer size is perfect fit to maximize your profits when shipping weighs up to 20 lbs. Priority Mail Cubic Pricing is one of the best kept secrets. The pricing for Priority Mail Cubic is based on the outer dimensions of your package, rather than the weight. There are 5 different tiers of pricing that your package could be in depending upon its size, and any box or poly mailer thats under half of a cubic foot in volume can qualify, as long as none of the dimensions go over the 18" maximum. You can ship up to 20 pounds for no extra cost, making it one of the cheapest shipping services available for small boxes and soft pack poly.