4x4x20 Kraft Corrugated Shipping Boxes

A 4x4x20 box is ideal for long, narrow items such as curtain rods, poster tubes, dowels, fishing rod components, light tubes, small pipes, and rolled artwork. Its elongated profile is specifically suited to items that don't fit in standard square or cubic shipping cartons.

These boxes are typically constructed from single-wall corrugated cardboard, commonly rated at 32 ECT or 200-pound burst strength. This provides sufficient rigidity and crush resistance for standard parcel carrier shipping via UPS, FedEx, and USPS for lightweight elongated items.

4x4x20 kraft corrugated boxes are available for purchase both individually and in bundle quantities. Bulk purchasing typically lowers the per-unit cost significantly, making them a cost-effective solution for e-commerce fulfilllers and businesses with recurring shipping needs.

Yes, standard single-wall corrugated 4x4x20 boxes are compatible with USPS, UPS, and FedEx shipping. Ensure the box meets the carrier's minimum burst or ECT strength requirement for the packed weight. A 32 ECT or 200-pound burst-rated box is generally sufficient for items under 20 lbs.

Yes, Cardboard Boxes 4 U offers custom corrugated box manufacturing. If a 4x4x20 box doesn't meet your exact dimensions, custom-sized boxes can be engineered to your specifications with lead times of approximately 7 to 10 business days and minimum order quantities starting at 100 pieces.

Yes, kraft corrugated cardboard boxes are fully recyclable. Cardboard Boxes 4 U specifically highlights recyclability as a key benefit of their corrugated packaging. Simply flatten used boxes and place them in curbside recycling or drop them at a local cardboard recycling facility for responsible disposal.