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The TwinLock is a fixed-loop seal suitable for truck doors and tankers. It features a patented double-locking mechanism and acetal jaw for enhanced security. A break-point is introduced to the seal as a standard feature to allow removal of the seal by hand.

B-Sealed now offers sustainable range of products, including security seals made from at least 50% recycled materials, and biodegradable additives.


  • Vehicle doors and side curtains
  • Petroleum tankers
  • Bulk food and liquid tankers
  • Livestock transportation including seafoods
  • Shipping containers

Key Features

  • Double-locking mechanism enhances the level of security.
  • Special acetal locking jaw for tamper resistance.
  • Requires no tool for removal.
  • Moulded in high quality food grade polypropylene.
  • Made from at least 50% recycled plastic.
  • Biodegradable additive BIO+ available.


  • Average break strength of 15kg-f
  • Suitable for temperatures ranging from -20°C to +60°C


  • Various colour
  • Logo and other markings
  • Laser engraved / Hot stamped
  • Serial numbers
  • Barcodes & QR codes (laser)
  • Biodegradable

Minimum order quantity required.



  product code strap length strap width strap thickness locking diameter shop link
TwinLock RL20HA 203.5mm 8.5mm 1.4mm Average 60.0mm
TwinLock Big Tag RL20BT 203.5mm 8.5mm 1.4mm Average 60.0mm  
TwinLock BIO+
RL20HY 203.5mm 8.5mm 1.4mm Average 60.0mm
TwinLock dimensions


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

Recyclable plastic pp Recyclable plastic others
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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.