Flat Expandable Recycled Kraft Paper Cardboard Mailer

Ultra-Durable & Eco-Friendly
Made from 100% recycled kraft paperboard, rigid yet lightweight for superior protection. Thick corrugated layers resist bending, crushing, and moisture.
Smart Expandable Design
Adjusts from 0.5" to 2" depth to fit bulky or delicate items (books, vinyl, artwork, documents). Self-locking flaps eliminate tape for quick sealing.
Professional & Secure Shipping
Reinforced edges and tear-resistant construction prevent damage. Matte finish resists scuffs, ideal for e-commerce, subscriptions, or sensitive mail.
Cost-Efficient & Brand-Ready
Blank surface perfect for custom printing or labels. Ships flat to save storage space. Bulk pricing for high-volume shippers.
Versatile Use Cases
Protects records, certificates, photos, small electronics, and flat merchandise. Ideal for "Do Not Bend" shipments.