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Friendly Dog Collars Sizing

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Please take the time to measure your dog to avoid ordering the incorrect size.

All breeds differ so much in size, even within breed they can be so different.

We cater for pooches big and small from Chihuahua’s to Great Dane’s and bigger, and we make sure that we include measurements in our descriptions so you can size your dog correctly when you buy from us online.

This picture gives you guidance upon where to measure your dog to help you with fitting them with the correct size Friendly Dog Collar product whilst looking at our measurements.


  • One size fits most M/L Breeds



  • S/M Clip Collar 25-43cm (10-17") in length and 25mm in width
  • L/XL Clip Collar 38-64cm (15-25") in length and 30mm width
  • L/XXL Semi Slip Collar 45-71cm (18-28") in length and 38mm width


  • Short 60cm (2ft) Leads
  • Standard 120cm (4ft) Lead
  • Long180cm (6ft) Lead
  • Double Ended 210cm (7ft) Lead (available in Training, Assistance & Nervous Ranges ONLY)

Vest Harnesses

  • XS Vest Harness fits max neck 26cm (10") chest 33-48cm (13-19") front drop 16cm (6") Weight Guideline 3kg to 5kg.
  • Small Vest Harness fits max neck 31cm (12") chest 38-60cm (15-24") front drop 19cm (17.4") Weight Guideline 5kg to 9kg.
  • Medium Vest Harness fits max neck 40cm (15") chest 48-72cm (19-28") front drop 22cm (8.2") Weight Guideline 8kg to 14kg.
  • Large Vest Harness fits max neck 43cm (17") chest 55-80cm (22-32") front drop 27cm (10.5cm) Weight Guideline 13kg to 23kg.

L/XL Strap Harnesses

  • L/XL Strap Harness fits chest/belly 61-92cm (24-36") and 25mm width.

Strap Harness


  • Extender Strap for Harness 25cm (10")


  • Small Coat fits back length 30cm (12") girth max 30-53cm (12-21")
  • Medium Coat fits back length 43cm (17") girth max 46-76cm (18-30″)
  • Large Coat fits back length 59cm (23") girth max 61-92cm (24-36″)

* All items machine washable 30°C (wrap in old pillowcase).
* Please rinse well in fresh water after use in salt water.