Mailing and courier bags
Designed for postal or courier transport, mailing bags are light, waterproof and have an integral adhesive strip. Our stocked ranges cover economy and 'Tuff' mailers, mailorder and courier bags, tamper proof, bubble and even high impact metallic advertising mailers.
Need mailing bags?
For a range of high quality mail order bags, mailing envelopes, and all types of courier sacks please visit mailing bags and courier bags at www.mailingbags.co.uk, where you can buy online securely at discount prices.
Mail order bags are produced with a high quality film, designed to be lightweight but tuff. It offers excellent levels of resistance along with excellent opacity in order to keep your product safe, secure and dry through the harshest of delivery systems.
Ten things you didn't know about courier bags
Jiffy mailers earn their place by balancing protection with postage economics, and that balance has to be set properly from the beginning. A mailer that is also heavy or fat can tip a package into a dearer carriage band, while one that is also light may fail once it meets a sharp corner, a dropped tray or a rough sortation line. The better structures use controlled paper or polythene suppliers layers and the proper amount of cushioning, so the pack absorbs daily knocks without wasting material. That retains products safe, avoids unnecessary tare weight and assists finished packs transport through dispatch at a proper rate.
The Two Envelopes Problem
An envelope is a simple item, nevertheless the logic behind repeated swapping shows how quickly a small change can swing value in either direction. If the contents can double or halve each time, the result is not only a tidy one-off selection; it becomes a chain of reallocations where early earns can be wiped out by later losses, or vice versa. In packaging terms, that is a warning about handling decisions manufactured without checking the pattern behind them. A single strange consignment may see harmless, yet repeated adjustments in pack size, spec, or fill level can steadily transport the outcome away from the unique target. Good control stops a minor tolerance becoming a costly drift.
Good quality mailing sacks for Stamford
Mailing sacks need to match the job in hand, because size and strength affect how well products travel through picking, packing, and dispatch. A bag that is also roomy leaves items moving about, which can lead to scuffing and awkward handling damage, while one that is also tight makes sealing harder and puts stress on the seam. For heavy-duty products, a well-chosen sack also assists speed up secondary packing, since staff can fill and close parcels without wasting time adjusting the contents. The proper gauge and format make the process smoother on the shop floor and reduce avoidable damage in transit.
Plastic envelopes are chosen because they give light, flexible protection without adding much postage weight. Clear polypropylene or polyethylene lets the contents be seen at a glance, while white film gives privacy where a discreet outer pack is needed. That mix of visibility, low gauge material and decent tear resistance makes them uniform for all sorts of mailing jobs that would be awkward in paper or also fat in board. They also fold and stack well in dispatch, which assists save space on the bench and in transit. When the proper film thickness is matched to the contents, handling damage drops and mailing costs stay sensible.
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Bubble mailing bags work optimal when small, fragile items need a bit of protection without the weight and bulk of a carton. Their proper strength lies in the method the outer film and bubble layer work together to cushion hard edges, corners and other items that bruise easily in transit. A bag that sees thick on the shelf is not always the optimal performer; seal quality, bubble integrity and the method the material copes with drops and rough sorting matter far more. On the packing bench, a bag that opens well and closes cleanly retains the line moving. That makes the proper specification a simple method to cut damage and limit avoidable returns.
Lp Mailers
Mailers for vinyl records need to keep safe a big, rigid item that scuffs easily and bends if the pack is also loose. A superb LP mailer grasps the sleeve firmly without crushing the corners, because a warped jacket or split seam is a normal complaint when parcels transport through sortation and van loading. The board grade has to be stiff enough to resist pressure, while the closure must stay shut through handling and repeated stacking. For record sellers, that means less returns and less time spent replacing damaged stock.
mailing bags
Postal bags have to be judged as a transit pack, not as a loose mailing grasp-all, because poor film selection turns into damage and wasted handling very fast. A superb bag requirements enough puncture resistance and seal quality to survive conveyour drops, cage loading and rough sorting without adding more weight than necessary. If the gauge is also heavy, cubic space is lost across a dash and transport becomes less efficient; if it is also light, neck-down below load leads to creasing, split seals and additional rebagging at the packing line. That balance is what retains despatch moving and stops simple mail from becoming a handling problem.
Details about 50pcs Small Medium Large Sizes Post Satchel International Mail Bag Courier Bags
Courier bags need to be specified for handling abuse, not only for looking tidy at the pack bench. The film has to survive sortation belts, cage loading and rough last-mile treatment without adding much weight or swallowing up cube space, so converters normally rely on co-extruded polythene suppliers with tight gauge control. That matters because puncture resistance relies on above thickness alone: polymer orientation, melt consistency and seal strength all play a part. A bag that fails at the seams, stretches badly in the cool or turns brittle at the edges creates rejected consignments and rework at dispatch, which is a poor use of labour.
Mailing Bags
Mailing bags need to be chosen for what they do in the hand, not only how they see on a shelf. An opaque bag conceals the contents, which assists with privacy and reduces casual peeking amid transit, while a transparent film makes it easier for warehouse staff to check the item, paperwork or packing method without opening the seal. That visibility can save time on a busy select-face, nevertheless thin film also shows scratches, creases and static more readily, so gauge control and film quality matter. Printed carriers can transport handling labels or product details directly on the bag, cutting down on additional labels and loose sleeves. A sensible bag spec retains dispatch tidy and reduces avoidable handling mistakes.
Coloured mailers can speed up light-order packing because they remove the need for a separate outer carton on smaller consignments. That cuts bench clutter, reduces the number of folds and tape lines, and makes the packing point easier to retain below control when the work comes in waves. Less corrugate also means less dead weight in the load, which assists when warehouse space is tight and dispatch requirements to retain moving. The earn is not only about sees; it is about moving a modest package through the system with less handling steps and less wasted motion. A simpler pack often gives a cleaner path from select-face to van.
Types of bags
Economy mailers
Our economy range for simple but effective protection - plain and coloured mailers plus the Mailite range with a pre-printed address window. The cheapest way to send literature to your customers and staff and much lighter than paper envelopes.
Discount mailing bags
For more information and a list of handy resources on mail-order envelope products such as plastic mailers and mailing bags, please visit the discount mailing bags website.
Heavy duty postal mailers
Heavy duty postal mailers are thicker opaque mailers in a strong co-extruded material where you need to be sure that the mailer can withstand some rough handling in transit.
Courier sacks
Massively popular range of large and very large courier sacks with double seals - get a sample to see the tough quality!
Security mailers
Security mailers are extra thick (360 gauge) white opaque mailers with a Tamper Evident Sealing Strip. The welds have a side skirt as well to give extra security to the package - for that top secret document!
Jiffy mailers
The standard featherpost 'jiffy style' mailers are paper padded envelope with a self seal strip for closure. This range is bubble lined rather than pulp filled so whilst being padded to protect contents they are also very light.
Paper feel plastic envelopes
A plastic envelope with the feel of paper (but much stronger and waterproof of course).
More on packaging?
At packagingknowledge.com you can find more information and articles on mailing bags and courier bags.
Visit our sister site for more on mailing bags
Mailing Bags specialist supplier of mailing bags, polythene mailers, courier bags and plastic envelopes. Offers discount ranges and high-impact ranges for all you mail-shot and postal packaging needs.
Get 20% off black mail order sacks this Christmas!
There's a fantastic festive offer waiting for you over at Polybags.co.uk, where you can get 20% off black high security mailing bags on all orders over £75. Black secure mail sacks are the perfect mailing bag for sending confidential documents. Their thick, opaque black polythene means you get confidentiality of contents and great bag strength for a sack that Santa could use for even his most secret presents! So shop now for your black mailing bags, making sure you apply the voucher XMASMAIL16 before you shop - this will automatically give you 20% off once you have £75 worth of black mail sacks in your shopping basket. There's strictly one voucher per customer and the offer is valid for a limited time only, so don't delay!
