Your Questions, Answered

  • If you use any variation of DogTra ARC with or without wings, then FlexCollars Super Heavy strap is the best.

    You will need to apply a bit of force to fit it.  

  • Yes, our Standard Strap fits a large variety of Educator and Mini Educator collars: ET 300, 302, 400, 402; EZ 900, 902, 903, 904; ME 300, 302; PG 300, 302

    Choose your favourite shade!

  • If you use a Dogtra ARC or similar e-collar with or without wings, then you need to purchase a Super Heavy strap. You will need to apply a bit of force to fit it.  

  • We expect to restock several colours in late March 2026. You will see an announcement about Ranger Green, Green Camo, and Super Heavy strap in Green Camo.

    Please follow us on Insta/FB to find out more: @FlexCollars

  • We use military-grade materials to make our collars last. They have standard shades: Black, Black Camo, Green Camo, Green, Grey etc.

    But we listen to your feedback, and explore other options and colours. Follow us on Insta/FB: @FlexCollars for more updates

  • Mail@FlexCollars.com

    You can reach us anytime via our contact page or email. We aim to respond within 24 hours.

  • The timing depends on the region you order the strap from. We ship globally from the UK.

    Please refer to our Shipping Policy for more details

  • Standard strap fits 3/4” wide slot e-collars, whether you use them with or without wings:

    • DogTra 640C, 640X, IQ, IQ mini, Smart No Bark

    • E-Collar Technology: ET 300, 302, 400, 402; EZ 900, 902, 903, 904; ME 300, 302; PG 300, 302

    • or similar 3/4” collar

    • DogTra 1200

    • DogTra 1200X

    • DogTra 1900X or similar

    • Dogtra ARC 802/ 800/ ARC-X/ 1200S with or without wings‍ ‍

    • Does not fit DogTra Pathfinder

  • If you are a hunter, please see our latest invention - Flex Collar Explorer. Neck size starts at 37+ cm.

    Your dog will love it!