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Security Mailing Satchels

Designed in 1991, the Sewlock™ zip security chamber is still the only chamber of its type available — worldwide. Its uniqueness lies in its ability to either seal or lock the chamber via a padlock or a variety of ‘one-time-use’ seals.

All our mailing satchels carry the Sewlock™ zip chamber. All Sewlock products are subject to the minimum order quantities stated below. Discounts available for 50 + units.

Please contact us to check current stock availability.

Sewlock A4 Courier/Security Mailing Satchels

111A4PSL
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  • Flat A4 satchels have been specially developed for the safe transfer of confidential documents. 
  • All satchels are fitted with a Sewlock™ securing device which can accept a padlock, combo lock or a range of ‘one-time use’ coded seals (our code '109CL')
  • Made from water resistant, durable PVC.
  • Dimensions - 300 mm wide x 390 mm high - Portrait
  • A4 size Flat satchel with internal address window (230 x 170 mm)
  • Price each (minimum order quantity is 10 satchels)

Sewlock A3 Courier/Security Mailing Satchels

111A3SL
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  • Flat A3 satchels have been specially developed for the safe transfer of confidential documents. 
  • All satchels are fitted with a Sewlock™ securing device which can accept a padlock, combo lock or a range of ‘one-time use’ coded seals (our code '109CL')
  • Made from water resistant, durable PVC.
  • Dimensions - 480 mm wide x 430 mm high - Landscape
  • A3 size Flat satchel with internal address window (230 x 170 mm)
  • Price each (minimum order quantity is 8 satchels)

Sewlock Padded Mailing Satchels

124SL
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  • These satchels are padded and lined for extra protection in transit of confidential documents and media. 
  • All satchels are fitted with a Sewlock™ securing device which can accept a padlock, combo lock or a range of ‘one-time use’ coded seals (our code '109CL')
  • Made from water resistant, durable PVC with 10 mm padded foam lining.
  • Flat padded satchel with internal address window (140 x 80 mm)
  • Available in either small or large size - Blue 
  • Price each (minimum order quantity is 5 satchels)

Sewlock A4 Courier/Security Bags

101A4SL
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  • Reinforced PVC A4 courier bags have been specially designed to carry heavy loads of paperwork. 
  • All satchels are fitted with a Sewlock™ securing device which can accept a padlock, combo lock or a range of ‘one-time use’ coded seals (our code '109CL')
  • Made from water resistant, durable PVC with carry handles for heavy loads.
  • Dimensions (H x W x D) - 310 x 410 x 100 mm
  • A4 size Bag with internal address window (230 x 170 mm)
  • Price each (minimum order quantity is 5 bags)

Sewlock A3 Courier/Security Bags

101A3SL
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  • Reinforced PVC A3 courier bags have been specially designed to carry heavy loads of paperwork. 
  • All satchels are fitted with a Sewlock™ securing device which can accept a padlock, combo lock or a range of ‘one-time use’ coded seals (our code '109CL')
  • Made from water resistant, durable PVC with carry handles for heavy loads.
  • Dimensions (H x W x D) - 420 x 460 x 175 mm
  • A3 size Bag with internal address window (230 x 170 mm)
  • Price each (minimum order quantity is 5 bags)

Sewlock Large Courier/Security Bags

101LGRSL
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  • Reinforced PVC Large courier bags have been specially designed to carry heavy loads of paperwork. 
  • All satchels are fitted with a Sewlock™ securing device which can accept a padlock, combo lock or a range of ‘one-time use’ coded seals (our code '109CL')
  • Made from water resistant, durable PVC with carry handles for heavy loads.
  • Dimensions (H x W x D) - 580 x 480 x 150 mm
  • Large size Bag with internal address window (230 x 170 mm)
  • Price each (minimum order quantity is 3 bags)

Sewlock Cordlock Security Seals

109CL
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  • An inexpensive way to seal products using the Sewlock™ chamber.
  • Polypropylene short pull through seal with internal metal locking mechanism offering a high level of tamper evident security.
  • Suitable for cash bags, mail bags, boxes and other smaller applications. 
  • Dimensions (L x D) - 165 x 2 mm - Orange 
  • Pack of 1,000 seals (grouped in mats of 5 seals)
  • Price each

Sewlock Custom Courier/Security Products

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  • Need Custom Products?
  • Seal and lock security, a wide range of colours, waterproof technology, address windows, screen-printing, embroidery, foam integrated and insulated products — the list goes on.
  • We enjoy the challenge of finding solutions that meet your specific need.
  • Contact us now to discuss your requirements.