# Single wall box 305x220x100 mm A4

## **Folding box 305 x 220 x 100 mm - single wall in the heavier 4 mm build**

This size sits right in the middle of the common parcel formats, but the board is a step heavier than you would expect from single wall: **305 x 220 x 100 mm** in 4 mm with C-flute instead of the usual 3 mm B-flute. Since 2007, we have been the go-to wholesaler for [cardboard boxes](en/cardboard-boxes), and we deliberately stock both qualities, because not every shipment calls for the same wall.

A C-flute has a coarser flute structure and therefore a taller layer between the two smooth liners. The box absorbs knocks better and stays squarer even when fully loaded. Do allow for a little more void fill, because the thicker wall gives way less during packing and, once set up, this model builds a few millimetres larger than a comparable 3 mm box.

### **When 4 mm is the right choice**

**Dense contents:** tools, parts, bottles and tins.
**Sharp edges:** the thicker wall is less prone to being punctured.
**Heavy handling:** shipments that are sorted or transhipped several times.
**A second trip:** boxes that also have to carry a return back to you.

### **Specifications**

- **Dimensions:** 305 x 220 x 100 mm
- **Material:** corrugated cardboard
- **Quality:** single wall, 4 mm
- **Flute type:** C-flute
- **Colour:** brown
- **Printing:** unprinted
- **Pack contents:** 25 boxes
- **Packs per pallet:** 36

### **Features and benefits**

- **Against 3 mm** - more spring and stiffness with exactly the same handling.
- **Against double wall** - slimmer and more compact, but with less stacking strength.
- **Same set-up** - delivered flat and just as quick to fold at the bench.
- **Brown and unprinted** - neutral for a label, a stamp or your own tape.

Do you have questions about which size of [single wall shipping boxes](en/cardboard-boxes/folding-boxes/single-wave-shipping-boxes) is best suited to your situation? Please don't hesitate to contact us - by phone on [+31 184 – 614256](tel:+31%20184%20-%20614256), via [info@kortpack.nl](mailto:info@kortpack.nl) or via [WhatsApp](https://wa.me/31184614256).

### **Frequently asked questions**

### What does 4 mm C-flute add over 3 mm B-flute?

A taller flute means more spring and a stiffer wall. You notice it most with contents that are densely packed for their volume and with consignments that see a lot of handling on the way.

### Do I need more void fill with this quality?

A little more, yes. The thicker wall flexes less while you pack, so fill the gap between contents and wall properly with [protective and filling materials](en/protective-and-filling-materials) rather than squeezing everything tight.

### When should I move up to double wall?

As soon as the boxes go several layers high on a pallet or the contents become really substantial. [Double wall shipping boxes](en/cardboard-boxes/folding-boxes/cardboard-boxes-double-wave) are then the safer step. We are glad to compare both qualities for your own shipping profile.

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Source: https://www.kortpack.nl