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The Stretch E-Collar Biothane Strap is made with a unique stretch material that moves with your dog! The stretch material takes up a small amount of the collar which allows for a better and more custom fit. Slide the E-Collar on and clip up and you are good to go.


Want to make it quick release? Add a COBRA® Quick Release Buckle from the dropdown menu and we’ll add a COBRA® Quick Release Buckle to your strap (in addition to the regular buckle which will allow you to slide the E-Collar receiver on and off the strap).


The stretch material used on the collar means you can get a better fit and better contact. The stretch material is soft and will not rub on your dog’s neck! The addition of the unique stretch material will mean your dog has a super unique fit and ....the collar is waterproof!


Note: the stretch material piece on the collar will be attached to Black rectangle rings - you have the option to customize the rest of the hardware on the collar (the regular buckle, D-ring, and screws) with Silver, Black or Brass Hardware. Comes standard with silver for no charge. Make it even more fun by adding another colour and making it two-tone!


Compatible with 3/4" width E-Collar units and 1" width units. The height of the BioThane® used for this collar is 2.67mm. Confirmed compatibility with E-Collar Technologies units and the Dogtra Arc. Not sure if the E-Collar Bun-G will fit your E-collar receiver unit? Get in touch.


Measuring Your Dog's Neck For The Stretch E-Collar Biothane Strap:


Please ensure you measure the circumference of your dog’s neck where the e-collar typically sits and please do a snug measurement as an E-Collar strap is typically worn tighter than a regular collar. Because of the nature of the length of the stretch piece, the buckle, and the a cobra clip, these collars will not fit very tiny dogs with a cobra clip add on. DM us to discuss options for your dog!


We use BioThane® for all of our products and we're proud of it! BioThane® is a vegan, waterproof, stinkproof, durable material that has the feel of broken in leather. BioThane® is produced in the USA and then we handmake all of our products here in Canada! B



  1. Make sure you have communicated any custom requests to us before you place you order. You can do this by direct messaging with us through our website, email or social media, and then leaving a note for us at checkout.
  2. Ensure you have gone through our size guide and utilized our resources to take all necessary measurements required for your order. Remember, we do not accept responsibility for incorrect measurements of your dog's neck size.
  3. Read through our shipping policy. We make every item as it is ordered so the production could take up to 4+ weeks plus shipping time before it is in your hands.
  4. Read through our return policy. We don't want to sound like a broken record, but it is so important to make sure your order has all the right info. Mistakes do happen, so we'll work with you to fix any problems, but they'll be evaluated on a case by case basis.
  5. For info on how to clean your Pack Hardware gear, check out our FAQ!

The Stretch E-Collar Biothane Strap

  • Safety and durability are a big deal to us here at Pack Hardware. We use top-quality BioThane and thoroughly tested hardware, and when we're thinking up our next product we always have the toughest uses in mind. We test all of our products and would never sell something we wouldn't let our own pups use, but with time and rough play we know things can happen. Please make sure you're regularly inspecting your Pack Hardware products for wear and tear.

    *Over time, our brass hardware may discolour and the black may scratch.

    *Pack Hardware cannot be held liable for any injuries sustained through the improper use of our products.

    *If your pup's got a playdate and they like to wrestle, we recommend a secure space like a fenced backyard and removing their collars.

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