Top 9 Packaging Boxes for Posting Medium UK – Box Mailers

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1. Triplast

Triplast 305 x 229 x 152mm Medium Single Wall 12x9x6" Shipping Mailing Postal Cardboard Boxes Pack of 10

Triplast - Triplast corrugated Single Wall Cardboard. 12x9x6" 305x229x152mm. Model number: tplbx10siNGL12X9X6. 10 flat packed Boxes.
Height15.2 cm (5.98 Inches)
Length22.9 cm (9.02 Inches)
Weight0.14 kg (0.31 Pounds)
Width30.5 cm (12.01 Inches)
Part NumberTPLBX10SINGL12X9X6

2. Triplast

Triplast 432 x 267 x 127mm Medium Single Wall 17x10x5.5" Shipping Mailing Postal Cardboard Boxes Pack of 5

Triplast - 17x10x5. 5" 432x267x127mm. 5 flat packed Boxes. Triplast corrugated Single Wall Cardboard. Item package quantity: 1.
Height12.7 cm (5 Inches)
Length26.7 cm (10.51 Inches)
Weight0.19 kg (0.41 Pounds)
Width43.2 cm (17.01 Inches)
Part NumberTPLBX5SINGL17X10X5.5

3. Floors

Letter Box Boxes for Posting, Cardboard Packaging Boxes for Small Business, Small Flat Pack Gift Boxes 5.9 x 3.9 x 1.5 inchBlack, 20 Pack Small Parcel Postal Shipping Boxes

Floors - Wide usagecardboard shipping boxes is perfect for packaging, toys, mailing shipping and gift giving small soaps, biscuits, or other small items.

Occasionsperfect for small retailers, wedding party, baby shower hostesses, classroom for Valentine's Day exchange party, birthday and a lot more. Durable materialmade of recyclable cardboard which is sturdy and durable for daily use. Easy to foldcome with folding instructions, it will be a breeze for you to put together these small shipping boxes without tape, glue or staples. Mailer shipping boxesit is very suitable for your own label or DIY to ship a wide variety of items such as gifts, socks, candles, and treats.


Royal Mail Small Parcel Size, 10 x 12x9x6" A4 Medium Size Cardboard Packaging Boxes

iDEALS UK PACKAGING LTD - High Quality. Ideal for office Supplies & Home Use. Pack size: 10 boxes - savings on MULTIBUY! Flat pack single wall boxes a4 size 12x9x6" A4 Size Base, 6" High.
Height15.2 cm (5.98 Inches)
Length30.5 cm (12.01 Inches)
Weight0.14 kg (0.32 Pounds)
Width22.9 cm (9.02 Inches)
Part NumberBSWP_1296


Corrugated Cardboard Shipping Boxes, Brown Packaging Mailing Boxes for Business, Posting, 208×130×68mm Royal Mail Small Parcel PiP Postal Boxes, Storing or Gift Pack of 10

STRBOXONG - Pack, or store small items in these cartons, Mail, Ship, they make the perfect box for those little products or gifts that need to be sent out or stored until ready to use.

Package ships flat packed for easy storage, and are easy to assemble in seconds – no tapes, glue or staplers are needed. Made from strong 32ect-e single wall corrugated kraft cardboard which is Eco-friendly, recyclable and sturdy for daily use. 100% satisfaction: please contact us via e-mail for any case, we guarantee our customers 100% money back in 90 days. Qualifies for royal Mail Small Parcel postage if under 2KG. Outer size: 208mm x 130mm x 68mm, inner size when made up: 198mm x 127mm x 65mm.
Height6.8 cm (2.68 Inches)
Length20.8 cm (8.19 Inches)
Weight0.08 kg (0.17 Pounds)
Width13 cm (5.12 Inches)
Part NumberBrown Shipping Box-208×130×68mm
ModelSmall Parcel Mailer(20.8×13×6.8 cm)

6. Calzette

Large Plastic Postage Bag Large Size 17" x 24" 43cm x 60cm Grey Mailing Bags for Posting and Packaging Extra Strong Envelopes, Mail Postal Polythene Self Seal Bags- Clothes Delivery Packing 5

Calzette - However if you are not satisfied with the performance let us know and we will give you 100% refund after organizing return to amazon warehouse. The quality is on highest level with extra help of reducing waste.

Satisfaction guaranteed - we believe in our product and we use them at home. Recycled and non smelly- our supplies use recycled materials. Safe envelope with easy sealing - strong glue make bags sealable and very easy to use. Strong and waterproof - our bags are strong and are perfect for sending ebay sales and clothing. They are good as postage bags for clothes as they are not smelling. Perfect sacks for office or private use.

Your satisfaction is our priority! Please feel free to contact with us. Large mailing bags- 17" x 24" 43 cm x 60 cm - it is a maximum size bags which can be used as Royal Mail Medium Parcel - you can fit large jacket, backpack, bag or buch of clothes. We are here to listen to your needs and answer your questions. You can fit there box with shoes or medium size royal mail package.
Part NumberMB1724

7. Schott Packaging

Schott Packaging 15x Strong Large Cardboard Moving House Boxes 457mm x 305mm x 305mm Moving Home Kit 48mm x 66m Fragile Packing Tape Ideal for Storage, Double Walled

Schott Packaging - Protection - ideal way to protect your fragile and valuable items from marring, scratching, and corrosion while in transit or storage! These boxes are perfect for shipping medium and heavy items. Uk manufactured: all boxes are manufactured in the UK from double wall 0201 corrugated board 125LT.

Ideal packing boxes for moving house. The boxes are shipped flat packed allowing easy handling and storage, allowing you to save space. Uses: these 15 strong double walled cardboard boxes are great for use in business, and even handy for occasional sellers! These boxes are ideal removal and packing boxes for moving, warehouse picking and packing, general use, or just for storage in your house. Kit includes: 15 x 42. 51 litre large moving boxes 18" x 12" x 12" / 457mm x 305mm x 305mm including 1 x 48mm x 66m Fragile Packing Tape.

This fragile packing tape with a 45 micron thickness is the ideal tape for packing boxes. The strong, sticky and durable tape will ensure that your boxes stay taped whether they are being used for storage or for moving. High quality: premium quality strong cardboard boxes! These boxes are ideal removal and packing boxes for moving, or just for storage in your house and Polypropylene adhesive parcel tape is considered one of the most economical options on the market.
BrandSchott Packaging
ManufacturerSchott Packaging

8. Triplast

Triplast 457 x 305 x 254mm Medium Single Wall 18x12x10" Shipping Mailing Postal A3 Cardboard Boxes Pack of 5

Triplast - 18x12x10" 457x305x254mm. Model number: tplbx5singL18X12X105 flat packed Boxes. Triplast corrugated Single Wall Cardboard.
Height25.4 cm (10 Inches)
Length30.5 cm (12.01 Inches)
Weight0.29 kg (0.64 Pounds)
Width45.7 cm (17.99 Inches)
Part NumberTPLBX5SINGL18X12X10

9. All-Pack Solutions

10 New Royal Mail Small Parcel Postal mailing Boxes Maximum Size of 350x250x160mm

All-Pack Solutions - This product is manufactured to high standards in the uk exclusively for All-Pack Solutions Ltd and is not supplied to any other re-seller. Dimensions length / 13. 7" x 9. 8" x 6. 2" / width / depth: 350mm x 250mm x 160mm / 35cm x 25cm x 16cm. Type: single Wall. Should you purchase this item from another seller, it will not be those manufactured for ourselves, and is likely to be a substandard inferior item. Quantity: 10 . Colour: Brown.
BrandAll-Pack Solutions
ManufacturerAll-Pack Solutions Ltd
Height16 cm (6.3 Inches)
Length35 cm (13.78 Inches)
Weight1.87 kg (4.13 Pounds)
Width25 cm (9.84 Inches)
Part NumberSWB-RM6-10