#1 Happy Tail Syndrome & Tail Injury Protector, Fast Shipping Worldwide


Find My Dog's Size | K9 TailSaver Fit Guide

Find Your Dog’s Size

Our interactive size finder is temporarily unavailable. In the meantime, you're welcome to select your best size estimate and include your dog's breed, weight, and back length in the order notes — our team will personally review each order and hand-select the ideal fit for your dog

Interactive Size Finder

Next step after sizing

Once you have a size, move straight to the main set.

If your dog is between sizes, size up and text support before ordering. If you already know your fit, go directly to the K9 TailSaver product page.

How to Measure Your Dog

1
Weight

Approximate  

2
Back length

Base of neck to base of tail (rump) - Is back  28" ( 71cm) ?  Important ! Some Large dogs need to size up to XL based on this and some XL dogs need to size down to our "special" XL because of shorter back length. 

How to measure your dog's back length for the K9 TailSaver

📏 Get My Dog's Exact Size — Interactive Finder 


Size by Breed

A quick starting point — use the tool above for your dog's exact measurements.

Akita — 20–38 lb S, 38–56 lb M, 56–95 lb L, 95+ lb XL  (up-tails: guide tail in after gentle wrap with vet-wrap, which is pulled out of open end when setup is complete.)

American Staffordshire Terrier — 20–38 lb S, 38–58 lb M, 58–95 lb L, 95+ lb Custom

Anatolian Shepherd — 20–35 lb S, 35–60 lb M, 60–80 lb L, 80–90 lb L-Plus, 90–120 lb XL

Australian Shepherd / Cattle Dog — 20–38 lb S,38–60 lb M,60–90 lb L

Basset — 20–40 lb S, 40–58 lb M

Beagle — 20–40 lb S, 40–50 lb M

Beauceron — 20–38 lb S, 38–58 lb M, 58–100 lb L

Bernese Mountain Dog — 58–80 lb L, 80–98 lb L-Plus, 98–115 lb XL, 115–150 lb XXL

Border Collie — 40–55 lb M, 55–80 lb L

Boxer — 40–60 lb M, 60–100 lb L

Brittany Spaniel — 20–38 lb S, 38–58 lb M

Bulldog — 40–60 lb M, 60–95 lb L, 100+ lb Custom

Bullmastiff — 58–80 lb L, 80–90 lb L-Plus, 90–115 lb XL, 115–150 lb XXL

Cane Corso — 20–38 lb S, 38–58 lb M, 58–100 lb L

Caucasian Shepherd — 58–80 lb L, 80–90 lb L-Plus, 90–115 lb XL, 115–145 lb XXL, 145+ lb 3XL

Cocker Spaniel — 15–22 lb XS, 22–38 lb S, 38–58 lb M

Collie — 20–38 lb S, 38–58 lb M, 58–90 lb L

Dachshund — 15–20 lb XS, 20–38 lb S

Dalmatian — 20–38 lb S, 38–58 lb M

Dogue de Bordeaux — 38–55 lb M, 55–90 lb L, 90–115 lb XL, 115–160 lb XXL, 160+ lb 3XL

German Pointer — 38–55 lb M, 55–90 lb L, 100+ lb XL

German Shepherd — 35–65 lb M, 65–75 lb L, 75–85 lb L-Plus, 85–125 lb XL

Golden Retriever — 20–38 lb S, 38–58 lb M, 58–100 lb L, 100+ lb XL

Great Dane — 40–60 lb M, 60–90 lb L, 90–115 lb XL, 115+ lb XXL

Great Pyrenees — 58–80 lb L, 80–90 lb L-Plus, 90–115 lb XL, 115–150 lb XXL

Greyhound — 65–80 lb , 80–110 lb XL

Husky — 60–90 lb L (up-tails: guide tail in after gentle wrap of entire tail with vet-wrap, which is pulled out of open end when setup is complete.)

Irish Wolfhound — 80–95 lb XL, 95–115 lb XXL, 115–200 lb XXL Plus (3XL)

Labrador — 38–55 lb M, 55–90 lb L

Leonberger — 58–80 lb L, 80–90 lb L-Plus, 90–115 lb XL, 115–160 lb XXL, 160+ lb 3XL

Malinois — 38–55 lb M, 55–90 lb L, 100+ lb XL

Mastiff — 58–80 lb L, 80–90 lb L-Plus, 90–115 lb XL, 115–150 lb XXL

Mixed Breeds 1 — medium length/booty, 20–38 lb S, 38–58 lb M, 58–90 lb L, 100+ lb Custom

Mixed Breeds 2 — long/big rear, 20–38 lb S, 38–58 lb M, 58–90 lb L, 85+ lb L-Plus, 85+ lb XL

Mixed Breeds 3 — mixed with a giant breed, 40–60 lb M, 60–90 lb L, 90–140 lb XL/XXL

Newfoundland — 58–80 lb L, 80–98 lb L-Plus, 98–115 lb XL, 115–150 lb XXL, 150+ lb 3XL

Old English Sheepdog — 40–56 lb M, 56–90 lb L, 100+ lb XL**

Pharaoh Hound — 38–55 lb M, 55–90 lb L, 100+ lb XL

Pitbull — 20–38 lb S, 38–58 lb M, 58–95 lb L, 95–100 lb Custom

Poodle & Mixes — 20–38 lb S, 38–58 lb M, 58–95 lb L

Rottweiler — 38–58 lb M, 58–95 lb L, 95–115 lb XL, 115–160 lb XXL

Saint Bernard — 58–85 lb L, 85–90 lb L-Plus, 90–115 lb XL, 115–150 lb XXL

Scottish Deerhound — 85–105 lb XL, 105–125 lb XXL, 125+ lb 3XL

Shetland Sheepdog — 20–38 lb S, 38–58 lb M

Shiba Inu — 20–35 lb S, 35–55 lb M, 55–82 lb L-Plus, 82+ lb XL

Spaniel — 15–22 lb XS, 22–40 lb S, 40–58 lb M

Terrier — 20–38 lb S, 38–55 lb M, 55–90 lb L, 100–120 lb,                                          XL, 120+ lb XXL

Tosa Inu — 95–115 lb XL, 115–160 lb XXL, 160+ lb 3XL

Whippet — 40–58 lb M, 58–85 lb L

Xoloitzcuintli — 38–55 lb M, 55–90 lb L, 90+ lb XL

Custom sizing: Include weight, breed and back length  when ordering. We will customize order or call to modify if we have a question about fit.

Still deciding? Pick a size and add breed, weight, and back length in the order notes — we'll make sure you get the right fit and reach out if needed. 😊