The 10 x 13 poly mailer is a widely used size for e-commerce fulfillment, offering the right balance of space, strength, and flexibility. Constructed from 2.5 mil LLDPE/LDPE film, it’s well suited for shipping folded apparel, t-shirts, soft goods, and everyday retail orders. Its white exterior creates a polished shipping appearance, while the black interior layer helps protect privacy in transit. The metallic silver self-seal strip provides a reliable closure that speeds up packing and helps keep contents secure. Available for custom printing with Flexographic Ink or Foil Hot Stamping, this size supports branded shipping without the added weight or cost of boxes. Recyclable and lightweight, it’s a dependable choice for growing online businesses.