Good fit for products that match the listed inside dimensions, box style, board strength when shown, and bundle quantity. Confirm inside dimensions, board strength if listed, box style, assembled fit, and how much void fill or protection the item needs.

Best For
How to choose
Specs at a Glance
| Material | ECT-44 Single Wall Corrugated Kraft |
| Dimensions | 40" L x 5" W x 45" H |
| Configuration | Side Loading Box |
| Sold As | Bundle of 10 Boxes |
| Recyclable | Yes |
Common Use Cases
- Packing ecommerce orders, replenishment shipments, parts, office supplies, or warehouse transfers.
- Comparing box sizes for product fit, storage space, parcel cost, and reorder quantity.
- Reordering by exact product link, SKU, or sold-as quantity.
- Adding the item to a mixed-SKU or recurring supply request when quantity, delivery ZIP code, or timing matters.
What You'll Receive
- This listing is sold as Bundle of 10. Check the current product page for variant details, price, availability, and pack count before checkout.
Shipping & Packaging
Frequently Asked Questions
ECT-44 single-wall corrugated supports approximately 25-35 lbs per box in a 3-tier warehouse stack, depending on contents and storage conditions. Contact our packaging engineers for custom load-bearing calculations based on your specific application.
Side-loading eliminates the need to slide long items through narrow top openings, reducing handling time by 40% and minimizing edge crushing damage. This design is ideal for rigid or fragile elongated products that are difficult to insert vertically.
Yes. Kraft corrugated accepts full-color flexographic and digital printing. Minimum order quantities apply, contact our sales team for custom branding options and pricing on volumes above 5,000 units.
Flat-packed boxes reduce inbound freight costs by 75-80%, lower storage footprint in your warehouse, and eliminate assembly labor. A bundle of 10 flat boxes occupies roughly 2 cubic feet versus 18+ cubic feet assembled, delivering measurable ROI on volume orders.
Technical Specifications
| Configuration | Side Loading Box |
| Sold As | Bundle of 10 Boxes |
| Recyclable | Yes |
| Color | Kraft |
| Strength / Material | ECT-44 Single Wall Corrugated |
| Dimensions (Internal) | 40" × 5" × 45" (L × W × H) |
Shipping Information
Outer Carton Dimensions
40" × 5" × 45" (L × W × H)
Unit of Measure
BUNDLE
Qty Per Shipping Unit
10 PER BUNDLE
LTL Freight Class
Class 125
Delivery Method
Shown at checkout
Processing and delivery timelines vary by product, warehouse, order size, and destination. Freight-sensitive or oversized items may require LTL delivery or a custom quote before shipment.
Checkout shows available shipping options for the selected SKU and quantity. Use the shipping and refund policy links for current policy details before ordering.
For larger, recurring, freight-sensitive, or mixed-SKU orders, send the SKU or product link, quantity, delivery ZIP code, receiving notes, and timing to support@packrift.com.
ORDER SUPPORT
Product Support
Specs, case quantities, and availability are listed on each product page. For bulk, mixed-SKU, or LTL freight orders, email support@packrift.com with the SKU, quantity, and delivery ZIP.
Use product support for fit, larger or recurring order, return, or order-issue questions. When price and Add to Cart are shown, checkout remains the direct ordering path.
Need a sample, fit check, or substitution review? Contact product support with the SKU, selected option, order quantity, and use case. Support will confirm the available path for that item.
Contact product supportBuyer guides
Buying notes and spec resources stay here instead of taking space above the cart.
Use this product as the source
40x5x45 ECT-44 Kraft Side Loading Boxes - Bundle of 10
Related products
Shop corrugated boxes
Compare resources using the current product page data: SKU HD40545FOL , type Boxes - Corrugated , sold-as unit BUNDLE / pack count 10 PER BUNDLE . Confirm the product page price, availability, and selected variant before ordering.
Compare inside dimensions, board grade, style, and bundle quantity.
Product support Use the box size calculatorUse this tool when item size, void fill, or storage space affects the carton.



