17” x 15” x 3.5” Cardboard Boxes – Pack of 25 Corrugated Shipping Boxes – Strong Kraft Mailing Boxes – ECT 44 Rated – Recyclable, Easy to Assemble

Protect your shipments with this pack of 10 corrugated cardboard boxes, designed to combine durability, ease of use, and sustainability. Each box measures 17 x 15 x 3.5 inches, making them the perfect solution for mailing or storing low-profile items like books, documents, photos, electronics, or apparel. Constructed from strong kraft corrugated cardboard and rated ECT 44, these boxes offer significantly more edge-crush resistance than typical ECT 32 alternatives. That means better protection during transit and improved durability when stacking. They arrive flat to save storage space and can be assembled in seconds—no side tape required. Whether you're a business owner shipping products daily or organizing your home or office, these boxes provide a reliable, professional solution. Made from 100% recyclable materials, they’re also an environmentally responsible choice. Strong, simple, and ready to ship—your packaging just got an upgrade.

• Reinforced for Safe Shipping – ECT 44 Rated: Built with an Edge Crush Test rating of 44 lbs/in, offering superior strength compared to standard ECT 32 boxes. Helps protect your shipments from crushing or deformation.
• Pack of 25 Boxes: Includes 25 high-quality cardboard boxes measuring 17 x 15 x 3.5 inches. Ships flat and assembles quickly—perfect for eCommerce sellers, moving, or everyday storage.
• Perfect Size for Slim Items: Ideal for shipping or storing flat, low-profile products such as books, documents, framed prints, electronics, and clothing.
• Sturdy Corrugated Construction: Made from durable single-wall kraft corrugated cardboard that resists bending, tearing, and crushing during handling and transit.
• Eco-Friendly & Easy to Use: 100% recyclable and made from sustainable materials. These boxes ship flat for space-saving storage and fold easily without the need for side tape.