Large Cardboard Boxes | Large Cardboard Boxes – Packaging and Shipping Best Practices Continued

Large Cardboard Boxes – Packaging and Shipping Best Practices Continued

This is the second posting of the best practices for mailing large cardboard boxes. First one is posted here. This example is a heavy electronics item in a 20x20x20-inch box. Similar to the previous post, this one will first show the recommended and then alternative cushioning. Guideline in this instance is applicable to shipping TVs, pharmaceuticals even liquids. Using proper merchandise stickers such as fragile etc. is recommended but it is no warranty for product safety. Here is how to package it securely.

Foam-in-bag is the recommended way to go in this case. The foam is an expanding chemical mixture which has to be distributed evenly across all sides of the object. The foam itself forms a mold around the shipped item and it could have various density according to the weight of the merchandise and the strength of the large cardboard boxes.

An alternate method is usage of double large cardboard boxes, sometimes referred to as over-boxing. This is particularly relevant for fragile items which did not come in courier-friendly packaging such as some thin corrugated fiberboard casing for toasters, irons etc displayed on store shelves. This shipping method complements the original manufacturer’s packaging which should be intact and it is not replaced, just aided. The larger shipping box should be at least 6 inches bigger than the original item and the void should be filled up with two to three inches on all sides of loose fill, bubble wrap, polyethylene padding or dunnage (inexpensive bulky material made of waste etc. to fill up empty spaces and avoid item shifting when in transit). The smaller box is then positioned inside the larger cardboard box and the flaps properly sealed.

Another solution is to use soft foam. Soft foam is normally made of polyethylene, polyurethane, polypropylene etc. This style of cushioning is not general purpose and is designed specifically for the item being shipped. An example of such packaging could be a laptop. The actual computer is tucked into two pieces of foam with slots wide enough for its sides. Once the pieces are snugly fit to the left and right, the assembly is loaded into the large cardboard boxes used for shipping.

Here is the link to the UPS packaging advisor.

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One Response to “Large Cardboard Boxes – Packaging and Shipping Best Practices Continued”

  1. Large Shipping Boxes – Packaging and Shipping Best Practices | Large Shipping Boxes on September 19th, 2010 3:39 pm

    […] Next is a consumer electronics item of 40 lbs in the same size box. This would be available in the next post on large shipping boxes together with the link to the packaging advisor. It is posted here. […]