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Harnesses Size Guide
Please measure around your dog's chest using a tape measure.
For small dogs, measure the chest allowing a little extra space for comfort. For larger breeds, a snug fit is recommended, as the leather will naturally stretch and contour to your dog's chest over time.
| Size | Chest cm | Chest in |
|---|---|---|
| XXXS | 25.9–30 | 10.2–11.8 |
| XXS | 30–34 | 11.8–13.4 |
| XS | 34–38.1 | 13.4–15.0 |
| S | 38.1–46 | 15.0–18.1 |
| M | 46–54.1 | 18.1–21.3 |
| L | 54.1–64.8 | 21.3–25.5 |
| XL | 64–75.9 | 25.2–29.9 |
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Note: for sizes L and XL, the straps are slightly wider (2–3 cm) compared to other sizes (1.5–2 cm) for added comfort and durability.
If you're unsure about the right size, feel free to reach out to us at:
support@thelillebjorn.comClassic Collars Size Guide
Measure snugly around the middle of your dog's neck with a tape measure, without leaving any extra space. Our collars are true to size, so a snug measurement will ensure the best fit.
How sizing works: each collar size reflects its inner circumference range. For example, a size S (27-32 cm) means the collar’s inner circumference fits necks measured between 27-32 cm. Based on this, you can decide whether you want a looser or tighter fit, as the inner circumference of the collar corresponds to your pet’s neck size.

| Size | Neck cm | Neck in |
|---|---|---|
| XXS | 17–22 | 6.7–8.7 |
| XS | 22–27 | 8.7–10.6 |
| S | 27–32 | 10.6–12.6 |
| M | 32–37 | 12.6–14.6 |
| L | 37–42 | 14.6–16.5 |
| XL | 42–47 | 16.5–18.5 |
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If you're unsure about the right size or need any collar customization, feel free to reach out to us at:
support@thelillebjorn.comWide Collars Size Guide
Measure snugly around the middle of your dog's neck with a tape measure, without leaving any extra space. Our collars are true to size, so a snug measurement will ensure the best fit.
How sizing works: each collar size reflects its inner circumference range. For example, a size S (27-32 cm) means the collar's inner circumference fits necks measured between 27-32 cm. Based on this, you can decide whether you want a looser or tighter fit, as the inner circumference of the collar corresponds to your pet's neck size.
| Size | Neck cm | Neck in | Width Ratio cm | Width Ratio in |
|---|---|---|---|---|
| XXS | 17–22 | 6.7–8.7 | 1.5 : 4.5 | 0.59 : 1.77 |
| XS | 22–27 | 8.7–10.6 | 1.5 : 4.5 | 0.59 : 1.77 |
| S | 27–32 | 10.6–12.6 | 1.5 : 4.5 | 0.59 : 1.77 |
| M | 32–37 | 12.6–14.6 | 1.5 : 4.5 | 0.59 : 1.77 |
| L | 37–42 | 14.6–16.5 | 3 : 4.5 | 1.18 : 1.77 |
| XL | 42–47 | 16.5–18.5 | 3 : 4.5 | 1.18 : 1.77 |
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For larger breeds, we have designed a slightly different collar width ratio for L and XL sizes to ensure more security and comfort.
If you're unsure about the right size or need any collar customization, feel free to reach out to us at:
support@thelillebjorn.comLuxury Pet Accessories






