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Packaging Guide: Small Parcel

Selecting the most appropriate packaging for your products is fundamental for any eCommerce business. By doing so you can keep costs down, improve user experience and ensure the safety of your products.

Small parcel postal boxes are ideal for shipping a wide range of smaller and lighter items such as; small children’s toys, clothing, shoes, gift sets, and small household electrical and home décor items.

Small Parcel Package Sizing

To be in line with Royal Mail’s guidelines a small parcel can be no bigger than 450mm long X 350mm wide X 160mm deep with a 2kg weight limit.

A wide range of products can be shipped in a small parcel postal box. For the most efficient packaging, you need to select a box that provides just enough room to fit your product and any protective fillers needed. This will reduce excess packaging costs.

How to Pack and Secure Your Package

Our small parcel postal boxes will arrive flat-packed to limit the storage space needed and can easily be assembled. For assembly, we recommend you use one of the following packaging tapes;

  • Brown plastic tape (Polypropylene tape)
  • Electrical tape (Vinyl adhesive tape)
  • Duct Tape (Fiber-reinforced paper tape)

To protect your fragile products, use fillers such as:

  • Bubble wrap
  • Foam
  • Loose fill
  • Air cushioning
  • Kraft paper
  • Eco-friendly padding
  • Edge/corner protections

Double wall boxes would also provide extra strength and protection for your product.

To Assemble and Pack

  • Start by sealing the bottom of the box with the H-taping method.
  • Insert any required protective filler and then place your product into the centre of the box. (If a protective filler is required, create a 2inch or 5-6cm layer between the product and box).
  • To prevent damage to the box or your product, use filler materials to pad out any excess areas.
  • Seal the top of the box using the same H-taping method.

That’s it, your package is packed securely!

Our Small Parcel Postal Boxes

We offer an extensive range of single and double wall small parcel postal boxes to help find the best box option for your product’s needs.

You can find the perfect sizes box for your application here: Box Finder

Cost to Send Small Parcel Box (1st class)

  • 1kg = £3.70
  • 2kg = £5.57

Key Benefits

  • Cost effective
  • Reduces excess packaging
  • Convenience for your customer
  • Plastic free and 100% recyclable
  • Made in Britain

Depending on the dimensions of the small parcel postal box you purchase, individual packs will contain up to 50 units. We also offer discounts on bulk purchases!

We also offer free standard next working day delivery on orders paid for before 13:45 (excluding bulk orders).

Thousands of boxes supplied to clients throughout the UK

Katie Barker
Katie Barker

Good Sturdy Boxes We have been using Boxed Up for a few years now, and is an integral part of us meeting our customers' expectations. They offer a friendly and professional service. The only negative we have is that their new website has been 'coming s


The one of the best box supplier in the UK I have ordered boxes from Boxed Up many times. They have great prices, very quick response time, next day delivery. What else can I say: The one of the best box supplier in the UK, Thank you

Kevin Mcgrath
Kevin Mcgrath

I ordered 25 Boxes from Boxed Up Packaging . They acknowledged the order and kept me informed as the order was being processed and I got notifications from the delivery company at each stage. What a fantastic system. This is how business should be done. I