Inner Size: 12 x 15.5" (Approx. 30.5 x 39.4 cm)
Pack per Case: 500 Pack per Case
Closure Type: Self-Sealing
Material: Polyethylene (PE)
Shape: Rectangular
Security Feature: Tamper-Evident Seal
Recyclability: Recyclable
12x15.5 poly mailers are a practical choice for shipping larger soft goods and everyday e-commerce orders. This size works well for jackets, jeans, sweaters, and other bulkier apparel items.
Helps protect shipments from rain, splashes, and moisture during delivery.
Built to handle packing, sorting, and transit with fewer rips or split seams.
Helps reduce package weight and supports more affordable shipping for small business sellers.
Offers extra room for apparel, soft goods, and other non-fragile products.
Makes it easier to pack and ship online orders quickly and efficiently.
Greenway Plastics is a wholly owned factory of Jiaropack.
Originally established in 2006, the company was further strengthened in 2009 through the merger of two family-run businesses—Grandway Plastics and Evergreen Plastics—bringing together decades of manufacturing experience and a strong commitment to quality.
With nearly 20 years of industry experience, we have built a solid reputation for reliability, consistency, and efficient production.
Based in Houston, Texas, our factory produces high-quality plastic products for businesses and households across the United States.
