HOME > Pull tight seals - Ribbed > SentryLock


SentryLock is a multipurpose, pull tight tamper evident security seal designed to provide security applications and reduce losses in a variety of industries. It is cost effective while designed to have a higher breaking strength than seals of a similar design.

Similar to the AceLock seal, the acetal jaw enhances security against tampering.


  • Cash bags & courier bags
  • Security containers
  • Roll cage pallets & bonded cage doors

Key Features

  • Breaking strength of 20kg-f
  • Ability to have side tear off option integrated into the tag gives option for tool-less removal
  • Acetal jaw provides increased security over cheap single-moulded seal designs
  • Serial numbers come standard; barcoding is optional
  • Suitable for temperatures between -20°C and +60°C
  • Made from at least 50% recycled plastic.
  • Biodegradable additive BIO+ available.


  • Various colours
  • Logo and other markings
  • Laser engraved / Hot stamped
  • Side tear off option
  • Serial numbers
  • Barcodes & QR codes (laser)
  • Biodegradable additives

Minimum order quantity required.



  product code stem length stem diameter tag size shop link
SentryLock 250 SY25 250mm Ø3.8mm 28mm x 50mm
SentryLock 250 BIO+
SY25SX 250mm Ø3.8mm 28mm x 50mm
SentryLock 350 SY35 350mm Ø3.8mm 28mm x 50mm



Made from recyclable plastic. Please ensure used seals are disposed correctly into proper recycling bins.

Recyclable plastic pp Recyclable plastic other
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This product is available for purchase, hassle-free, at online-only prices through SecuritySeals.com.au.

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contact us

Need more information? Require brochures or samples? Having trouble deciding on which seal is best for you? Or do you have questions about the seals and how they're used? Don't hesitate to contact us. Our team is accessible by phone during standard business hours, or you may prefer to get us via e-mail. Either way we'll get in touch with you promptly. We take pride in our top quality service.