Postal Boxes | Top-Quality Postal Solutions

Deliver with Confidence: Top-Quality Postal Boxes for Every Need 

Secure your shipments with our dependable Royal Mail Postage Boxes. Designed for businesses like yours, our Cardboard Postal Boxes ensure that every parcel arrives in perfect condition.

Your One-Stop Shop for All Postal Box Needs

Perfect for every mailing challenge, our boxes keep your items safe and secure.

Welcome to RH Postal Boxes, your premier source for postal boxes and throughout the UK. We specialize in providing superior postal packaging solutions that cater to a diverse range of mailing needs. Whether you are a small startup or a large corporation, our extensive selection of boxes ensures that your items are shipped securely and stylishly..

Designed for Every Demand – Explore Our Postal Box Varieties

Along with bespoke offering to suit your needs, Our range of cardboard postal boxes provide a cost effective means of despatching your goods if the measurements work with your products. These plain, 100% recyclable boxes are available in white or brown with no additional set up costs, and will fit the dimensions of either or large letter or a small parcel profile under Royal Mail guidelines. All of our postal boxes carry FSC® Certification and are manufactured out of our production facility in Wellington.

We can also print these boxes if necessary, so please contact us to discuss. Set up charges and additional unit costs may apply.

Standard Postal Box Dimensions

Length x Width x Height

145 x 125 x 21 mm

Small parcel Tuck-in-flaps

210 x 150 x 21 mm

Small parcel Tuck-in-flaps

220 x 160 x 21 mm

Small parcel Tuck-in-flaps

290 x 125 x 21 mm

Small parcel Tuck-in-flaps

250 x 150 x 100 mm

Small parcel Tuck-in-flaps

151 x 150 x 75 mm

Small parcel Tuck-in-flaps

220 x 220 x 30 mm

Small parcel Tuck-in-flaps

330 x 180 x 60 mm

Small parcel Tuck-in-flaps

282 x 235 x 122 mm

Small parcel Tuck-in-flaps

Large Postal Boxes

Ship your larger items confidently with our large postal boxes. Reinforced to handle additional weight and larger dimensions, they’re perfect for bulk shipments or oversized products.

Small Postal Boxes

Our small postal boxes are ideal for smaller, delicate items. Designed to fit royal mail small parcel size inches, they help optimize your postage costs while providing superior protection.

White Postal Boxes

Make a lasting impression with our sleek white postal boxes. They’re perfect for brands that value aesthetics and want to maintain a strong professional image upon delivery.

Brown Postal Boxes

Our brown postal boxes are not just sturdy—they’re environmentally friendly, crafted from recycled materials and fully recyclable, supporting your brand’s green initiatives.

Features and Benefits

Exceptional Quality and Sustainability 

Each box in our postal cardboard boxes collection is rigorously tested to meet stringent quality standards. Our commitment to sustainability is evident as our products are 100% recyclable, supporting your environmental goals without compromising on durability or functionality.

Customization Options

Custom Solutions to Elevate Your Brand 

Enhance your brand’s visibility with our customized postal boxes. From custom postage boxes to branded postal boxes, we offer extensive personalization options. Opt for coloured postal boxes to align with your corporate palette and make every shipment uniquely yours.

Local Relevance

Postal Boxes UK:

We are proud to serve local businesses with swift and efficient delivery solutions. Our strategic warehouse locations across the UK ensure that you receive your cardboard postal boxes quickly and cost-effectively.

FAQs

Our variety ensures you find the perfect fit, from small cardboard postal boxes to large letter postal boxes for bulkier goods. Our standar size range from 145 x 125 x 21 mm up to 282 x 235 x 122 mm

All our boxes are designed to comply with Royal Mail regulations, ensuring your shipments meet postal standards efficiently.

PIP SizeMax LengthMax Depth
Large Letter353 mm25 mm
Small Parcel450 mm160 mm
Medium Parcel610 mm460 mm
Large Parcel> 610 mm OR> 460 mm

Mailer boxes are a type of packaging specifically designed for shipping products. They are typically made from sturdy cardboard and feature interlocking flaps and wings that make them easy to assemble without the need for adhesive. Mailer boxes are ideal for e-commerce shipments and subscription boxes due to their durability and presentation.

Yes, many post offices sell a variety of box sizes, including large boxes. However, at RH Postal Boxes, we offer a specialized range of large postal boxes tailored to meet more specific business needs, such as additional strength for heavy items and larger dimensions for bulkier products.

An A3 box typically refers to a box that can accommodate A3 sized items (297 x 420 mm). Our A3 boxes are designed to ensure that A3 items fit perfectly, providing optimal protection during transit. Please check our product dimensions for specific measurements as sizes can vary slightly depending on the design.

The type of box you should use for shipping depends on the size, weight, and fragility of the items being sent. For smaller, delicate items, our small postal boxes are ideal as they are designed to offer superior protection. For larger or bulkier items, our large postal boxes are reinforced to handle additional weight. For aesthetic shipments or brand-specific needs, our white and brown postal boxes can be customized to align with your branding.

Elevate Your Shipping Today 

Don’t settle for less. Enhance your mailing efficiency and brand reputation with RH Postal Boxes. Order now or contact us for customized solutions tailored to your needs.

Start Shopping

Explore our comprehensive range of postal packaging boxes, learn more about our services, or get in touch for tailored advice. RH Postal Boxes is your partner in postal excellence.