Mailing & Shipping

We supply wholesale mailing and shipping supplies for e-commerce fulfillment, mail-order retailers, and distribution operations across the United States. From poly and bubble mailers to USPS-compliant self-seal mailing bags and packing slip envelopes, Pioneer Poly Products delivers durable, cost-effective packaging built for reliable transit and nationwide fulfillment.

Poly Mailers

Kraft Self-Seal Recyclable Mailers

Poly Bubble Mailers

Kraft Bubble Mailers

Postal Approved Self-Seal Mailing Bags

Packing Slip Envelopes

Suffocation Warning Bags

Mailing & Shipping Supply Guide

Choosing the Right Mailer

Poly Mailers: Durable, water-resistant, and lightweight — the standard choice for general parcel shipping
Poly Bubble Mailers: Padded interior lining for fragile or delicate items that need cushioned protection
Kraft Mailers (Self-Seal & Bubble): Curbside-recyclable paper options for businesses prioritizing sustainable shipping
Postal Approved Self-Seal Mailing Bags: USPS-T-3204 compliant for automation-rate flat mail

Common Applications

E-commerce and mail-order fulfillment
Retail and subscription box shipping
Attaching packing slips and shipping documents to cartons
Suffocation-warning compliance labeling for retail and mail-order packaging

Material & Construction

Poly mailers are manufactured from low-density polyethylene (LDPE) for tear resistance and water protection, while kraft mailers use recyclable paper construction for curbside recycling programs. Self-seal and permanent-adhesive closures keep shipments secure in transit.