Top 10 Flat Pack Boxes UK – Box Mailers

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1. GELATSOON

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Mailing, GELATSOON 12x9x3 Inches White Shipping Boxes Set of 20 ,Corrugated Cardboard Boxes Certified By FSC For Packaging, Small Businesses

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GELATSOON #ad - Customizable diy: with a smooth white surface, you can freely paint, decorate with ribbons and stickers to add your personal touch. Our mailing boxes can be assembled in seconds, glue, saving you time and effort.

Versatile & convenient: 12x9x3 inches shipping boxes pack of 20, gifting, lightweight yet sturdy. Durable & reliable: made from high-strength corrugated paper, our shipping boxes provide long-lasting protection for your belongings during shipping or storage. Ideal for small business packaging, or storing items. Our mission: “forests for alL FOREVER. ”. Easy assembly: no tape, or staples needed. Good quality: we use fsc-certified recyclable cardboard sourced from traceable origins.
BrandGELATSOON #ad
ManufacturerGELATSOON #ad
Height3
Length12
Weight95
Width9
ModelSXBFJH02

2. Sodissa

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Packaging Corrugated Cardboard Mailer Boxes for Small Bussiness, Sodissa 8x8x4 Inches Shipping Boxes Pack of 25, Black

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Sodissa #ad - Easy to fold: you can assemble by pre-crease lines in seconds WITHOUT TAPE, GLUE, OR STAPLES. Dimension: available size: about 7. 6lx7. 9wx3. 9h inch, lightweight but sturdy, set of 25, suitable for packing or mailing those small and lightweight items.

You can arrange these boxes as you like. Widely used: perfect for packing, shipping and storage. The black boxes bulk are good for small business and personal use as gift boxes with its stylish color. Material: industry-standard construction, single wall corrugated boxes with black reinforced surface, made of durable kraft corrugated cartons that are recyclable and eco-friendly, can keep your stuff safe. Good-looking: simple and highly textured packaging, and the edges are neat, smooth and no burrs. And you can freely paint, decorate with ribbons labels, sticker and flowers.
BrandSodissa #ad
ManufacturerSodissa #ad
Height4
Length8
Weight3.97 kg (8.76 Pounds)
Width8

3. PETAFLOP

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10 x 7 x 5 Shipping Boxes, White Cardboard Boxes for Shipping, Pack of 25, Corrugated Mailing Box

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PETAFLOP #ad - Easy to use: unfold the mailing boxes, put in your goods, tape up the seams with tape, you can pack in minutes.32 ect grade kraft mailing boxes are durable and sturdy. Quantity: white shipping boxes are shipped flat in a larger carton to better protect them and save space. Material: these shipping boxes are made of 100% recyclable corrugated cardboard. Widely used: small corrugated cardboard box is great for retail packing, gift shipping, and storage of small items.
BrandPETAFLOP #ad
ManufacturerPETAFLOP #ad
Height5
Length10
Weight2 kg (4.41 Pounds)
Width7
Part NumberCH200185
ModelCH200185

4. DjinnGlory

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12 Pack Small Medium Teal Gift Boxes Corrugated Packaging Boxes Mailers for Small Business, Teal Blue,, Recyclable Cardboard Mailing Boxes with 24 Pieces Blank Gift Cards and Paper Fillers 9x6x3 Inch

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DjinnGlory #ad - Dimensionthe medium teal mailer shipping box outer size is : 9. 75*6. 25*3. 25 inches/ inner size: 9*6*3 inches, each blank gift card measures 4*6 inches. Teal colorthe teal blue cardboard mailer box is printed and glossy lamination outside.

One instruction included in the packaging will help you assemble easily. Easily assemblethese corrugated cardboard boxes are shipped flat for easy storage, can be assembled in seconds without tapes and glue needed. Sturdy & durablethe teal blue shipping boxes are made of recyclable and strong E-flute corrugated paper, safe to pack and ship small items and gifts without being crushed or damaged.

The blue shipping packaging boxes will make your gifts and parties wonderful and impressive, also perfect for small busiess, retail packaging, shiping and mailling. Diy your gift setthe set contains 12 medium-size teal boxes, 12 blank gift cards, 100g white lafite paper and 1 instruction. You can write the greetings in the blank gift cards and the lafite paper will make your gifts looks high-grade and unique.
BrandDjinnGlory #ad
Height3
Length9
Weight1.95 kg (4.29 Pounds)
Width6
Part NumberJGD-DJG
ModelJGD-DJG

5. Aviditi

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Aviditi 15154 Flat Corrugated Cardboard Box 15" L x 15" W x 4" H, for Shipping, Packing and Moving Pack of 25, Kraft

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Aviditi #ad - Perfect moving supplies - designed to fit clothing, books, basement, household, garage, kitchen, storage, shipping, office supplies and other personal items for moving, or small business packaging.

100% recyclable and reusable - Simple materials, excellent performance; Made in the USA. Extra large, large, medium and small size boxes - Made of unprinted cardboard, perfect for house files, single-layer corrugated boxes are lightweight and sturdy, business file and personal household items.225 pack bulk box value Bundle - Manufactured from Aviditi and brand new. Heavy duty shipping boxes - holds up to 65 lbs pounds, mailing, certified and tested to meet all single wall box storage, 32 lb pound edge crush tested, and freight requirements.
BrandAviditi #ad
ManufacturerAviditi #ad
Height4
Length30.3
Weight0.37 kg (0.82 Pounds)
Width15
Part Number15154
ModelB00BT43ZCG

6. DUZCLI

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Small Size 6x6x3 inches Set of 25 White Gift Box Corrugated Cardboard Mailer Boxes for Business Packaging 6x6x3 inch, DUZCLI Shipping Boxes, White

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DUZCLI #ad - Both-side pink small box: the mailer boxes are double-sided pink,they look sweeter and more lovely and easy to express love. It’s appropriate for shipping your handmade items across the country and great to ship a wide variety of items such as gifts, socks, candles, cookies and biscuits.

The all pink color of these shipping boxes is great for displaying your branding or label. Perfect size: 6x6x3 inches l x w x h dimension corrugated cardboard boxes are perfect for mailing, retail shipping, gift packing. Our small shipping box is made of recyclable 32 ETC grade corrugated cardboard. It is sturdy and durable for daily use. Multiple use: the mailing boxes are great for packaging small business supplies.

Each mailer box are unfolded and packed in the waterproof protective film. This is very convenient and beneficial for you to expand your small business packaging and gift wrapping. Package: each package come in 25 pieces corrugated cardboard boxes of the same size. Easy to fold and assemble: this shipping boxes are easy and quick assemble in seconds without any tapes or glue. This will keep the boxes dry and ensure that you will receive the satisfactory boxes.
BrandDUZCLI #ad
ManufacturerDUZCLI #ad
Height3
Length6
Weight5.28
Width6

7. MEBRUDY

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Small Corrugated Cardboard Box for Mailing Packing Literature Mailer, MEBRUDY 9x6x2 Inches Shipping Boxes Pack of 25

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MEBRUDY #ad - Crush resistant: high-quality corrugated cardboard with slots makes the rectangular mailing boxes RELIABLE AND STURDY, and the standard 90° angles will protect items inside while delivery.

Easy to assemble: these cardboard shipping boxes are simple and quick to assemble WITHOUT GLUE, STAPLES OR TAPES. Pack of 25: all 25 kraft boxes packed in a bigger carton to prevent damage during transit, and SHIPS FLAT to save your space. Elegant appearance: the brown mailing boxes measure 9 x 6 x 2 inches, which have an elegant appearance, and it will be of great help to your business. Widely used: recyclable shipping boxes fit for small business, jewelry, mailing, soaps, packaging and storing cute items such as books, candles and so on. Please refer to the guidance in the images or video.
BrandMEBRUDY #ad
ManufacturerArter-decor #ad
Height5.08 cm (2 Inches)
Length22.86 cm (9 Inches)
Weight1.77 kg (3.9 Pounds)
Width15.24 cm (6 Inches)
Part NumberSNK201220
ModelSNK201220

8. MEBRUDY

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MEBRUDY 11x8x2 Inches Shipping Boxes Pack of 25, Small Corrugated Cardboard Box for Mailing Packing Literature Mailer

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MEBRUDY #ad - Easy to assemble: these cardboard shipping boxes are simple and quick to assemble WITHOUT GLUE, STAPLES OR TAPES. Elegant appearance: the brown mailing boxes measure 11 x 8 x 2 inches, which have an elegant appearance, and it will be of great help to your business.

Please refer to the guidance in the images or video. Also, jewelry, these shipping boxes are RECYCLABLE. Pack of 25: all 25 kraft boxes packed in a bigger carton to prevent damage during transit, and SHIPS FLAT to save your space. Widely used: ideal for mailing, soaps, packaging and storing cute items such as books, candles and so on. Crush resistant: high-quality corrugated cardboard with slots makes the rectangular mailing boxes RELIABLE AND STURDY, and the standard 90° angles will protect items inside while delivery.
BrandMEBRUDY #ad
ManufacturerArter-decor #ad
Height2
Length11
Weight2.36 kg (5.2 Pounds)
Width8
Part NumberSNK201221
ModelSNK201221

9. MYSLIMZE

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Packing and Storing 9x6x4, 25 Packs 9x6x4 Small Cardboard Shipping Boxes for Mailing

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MYSLIMZE #ad - If you are not satisfied with our products, you can always contact us and we would offer you a replacement or full refund. After-sale guarantee: we strongly believe we could provide high quality cardboard boxes. Put them into shape of the box and fasten with tapes.

No additional tools required. Widely use: adapt to a variety of usage scenarios. These boxes can protect your stuff from impact and friction. This size is able to fit a mug or a set of soap, toys, or other small items. Easy to assemble: these corrugated boxes can be folded easily. You can use these boxes in office or small business. Set of 25 pack 9"x6"x4" cardboard boxes: each item contains 25 packs white small shipping boxes, which put neatly and flat in the packing box.

It can effectively reduce the damage during transportation. You will get a sturdy shipping box quickly. The size of this small shipping box is 9” x 6” x 4”, which is suitable for packing or mailing those small and lightweight goods. Sturdy and durable: these cardboard boxes are made of strong corrugated cardboard, which are small and lightweight but firm, study durable.
BrandMYSLIMZE #ad
ManufacturerMYSLIMZE #ad
Height4
Length9
Width6

10. Sodissa

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Packing and Mailing, Sodissa 9x6x2 Inches Shipping Boxes Pack of 25, Brown Corrugated Cardboard Boxes for Small Bussiness

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Sodissa #ad - Easy to fold: you can assemble in seconds WITHOUT TAPE, GLUE, OR STAPLES. Suitable for small bussiness or gift packing such as small toys, accessories, cookies, jewelry, etc.

Dimension: internal size: 8. 6x5. 9x1. 9 inches shipping boxes, lightweight but sturdy, pack of 25, suitable for packing or mailing those small and lightweight items. Good-looking: simple and highly textured packaging, and the edges are neat, smooth and no burrs. You can arrange these boxes as you like. Material: industry-standard construction, made of durable kraft corrugated cartons that are recyclable and eco-friendly, single wall corrugated boxes, can keep your stuff safe. Widely used: it is perfect for packing, handmade soap, shipping and storage. You can freely decorate ribbons and flowers.
BrandSodissa #ad
ManufacturerSodissa #ad
Height2
Length9
Weight2.01 kg (4.44 Pounds)
Width6