Best Small Parcel Box Mailers of 2025

The All-Pack Solutions Parcel Boxes come in a convenient pack of ten, providing ample space for your mailing needs with their generous dimensions of 350mm x 250mm x 160mm. Designed with a single wall construction, these deep boxes are sturdy enough to protect your items during transit. Their brown colour adds a professional touch to your parcels. Manufactured in the UK, these boxes ensure high quality and reliability, giving you peace of mind when sending your goods.

The Sunrise Packaging Boxes are designed for small parcel shipping, with external dimensions of 350mm x 250mm x 160mm. This pack includes 10 boxes, providing you with ample supply for your mailing needs. They meet essential shipping standards, ensuring that your items are well-protected during transit. Made from durable cardboard material, these boxes safeguard your contents, offering peace of mind as you send your parcels. Their easy assembly feature allows you to pack your items securely and efficiently, making your shipping experience hassle-free.

The RelianceUK Small Cardboard Boxes are crafted from durable Kraft corrugated cardboard, ensuring your items are well-protected during shipping. They arrive flat-packed, which saves you valuable storage space and makes it easy for you to assemble them when needed. These boxes are perfect for storing and shipping small items, making them ideal for small businesses and home use. Additionally, they are recyclable and eco-friendly, allowing you to pack and ship items like mugs, jewellery, and small toys with peace of mind.

The STORM TRADING GROUP Postal Boxes are designed to make your packing and shipping experience hassle-free. With a maximum deep size that meets Royal Mail standards, these boxes ensure you can securely send small parcels while keeping postage costs low. Each box is strong and sturdy, made from 100% reusable brown Kraft paper, which guarantees excellent tape adhesion. Supplied flat-packed, they are easy to assemble, allowing you to quickly prepare your items for dispatch.

The Royal Mail Mailing Boxes are versatile multiwall shipping boxes designed for various uses, including storage and gift packaging. With external dimensions of 449 x 337 x 79 mm, these boxes are the perfect size for your needs. They come in a pack of ten, providing great value for users. You will appreciate how easy they are to assemble and secure with adhesive tape, making your packaging tasks quick and hassle-free.

The Triplast Postal Boxes are designed for efficiency and convenience. With a quick assembly feature, you can reduce your packing time by up to 70%, allowing you to focus on other tasks. Their sturdy construction ensures that your parcels remain secure during transit, minimising the risk of damage. The effortless unboxing experience, with lightweight design and 'rippa' strips, means your recipients can open their packages easily without any tools. Additionally, these boxes are eco-conscious, being made from 100% recyclable and biodegradable materials, making them a responsible choice for shipping.

The Boxes2u Small Parcel Boxes are designed for convenience and efficiency, with internal measurements of approximately 236mm x 196mm x 47mm, making them ideal for small items. The easy-to-assemble folding lid features pizza-style tuck-in flaps, allowing you to securely package your items without hassle. These boxes fit within Royal Mail's small parcel dimensions, which can help you save on postage costs. Weighing around 80 grams each, they are lightweight yet sturdy, ensuring your parcels are well protected during transit.

The STRBOXONG Shipping Boxes are ideal for packing, shipping, mailing, or storing small items. Constructed from robust 32ECT-E single wall corrugated kraft cardboard, these boxes are both eco-friendly and sturdy for everyday use. With dimensions that qualify for Royal Mail Small Parcel postage, they are perfect for sending gifts or products weighing under 2KG. They arrive flat-packed, making storage easy, and you will appreciate how quickly they can be assembled without the need for tapes, glue, or staplers.

The RelianceUK Small Boxes are perfectly sized for shipping small items, making them an excellent choice for sending gifts or e-commerce orders. Their multipurpose use allows you to package, organise, and store various items, providing great convenience for both personal and business needs. With easy assembly, these boxes save you time while ensuring that your items remain well-protected during transit. Additionally, being eco-friendly and recyclable, they offer a sustainable option for your packaging needs, helping you contribute to environmental preservation.

The Globe Packaging Cardboard Boxes are ideal for sending small parcels via Royal Mail. With internal measurements of 442x342x146mm, these boxes offer ample space for your items, ensuring they fit snugly and securely. The external dimensions of 450x350x160mm provide a robust structure for protection during transit. Packaged in a quantity of 50, you can efficiently prepare multiple shipments at once, saving you time and effort. The classic brown colour gives a professional appearance, making them suitable for any business or personal use.