Small
30–40 lb
Shown on Georgia · 38 lb
A surprisingly perfect fit for many medium-sized pups.
PeachyPup Size Guide
Find the perfect fit.
Start with your dog’s weight, then measure their neck to confirm the best size. Small does not always mean a small dog!
1
Start here
Choose by weight
Medium
40–70 lb
Shown on Nova · 50 lb
Made for medium and larger dogs with broader necks.
Large
70+ lb
Shown on Nala · 85 lb
Designed for large breeds.
Weight is a helpful starting point, but dogs carry weight differently.
Always use the neck measurement below to make your final choice.
2
Confirm the fit
Measure the neck
How to measure
- Use a soft measuring tape around the spot where the collar naturally sits.
- Keep the measuring tape comfortably snug, but not tight.
- Make sure you can slide two fingers underneath the tape.
- Compare the measurement with the collection charts below.
Built tough
Tactical Collection
AdjustableWider adjustable sizing for strong, secure everyday wear.
| Size | Weight | Neck measurement |
|---|---|---|
| Small | 30–40 lb | 14–20 in 35–50 cm |
| Medium | 40–70 lb | 20–26 in 50–66 cm |
| Large | 70+ lb | 23–29 in 58–73 cm |
Soft everyday style
Rope Collection
MartingaleA martingale design with its own neck measurements.
| Size | Weight | Neck measurement |
|---|---|---|
| Small | 30–40 lb | 12–15 in 30–38 cm |
| Medium | 40–70 lb | 15–18 in 38–46 cm |
| Large | 70+ lb | 18–20.5 in 46–52 cm |
Still deciding?
Between two sizes?
Choose the size that places your dog’s neck measurement comfortably inside the range instead of directly at its limit. If weight and neck size suggest different options, always follow the neck measurement.