Size guide
COLLARS
Measure around the middle of your dog's neck with a soft tape measure, then choose the size whose range it falls in. Each size overlaps the next by 1 cm, so if your dog is on the border, either size fits.
XS 20–25 cm (Border terrier, Toy poodle, Italian greyhound)
S 24–30 cm (smaller Jack Russell terrier, Fox terrier, Chihuahua)
M 29–35 cm (Bichon, Wirehaired dachshund)
L 34–40 cm (Vizsla, Pug, French bulldog)
XL 39–45 cm (German pointer, Golden retriever, English springer spaniel)
XXL 44–50 cm (Labrador, Dalmatian)
Basic Collar widths
XS 1.5 cm · S 2 cm · M–L 2.5 cm · XL–XXL 3 cm
Other collar widths are listed on each product page.

COLLARS FOR DOGS WITH LONG NECKS
Straight-cut collars (e.g. The Basic Collection, The Moonshine Collection): 4–4.5 cm at the widest point, 2.5 cm at the buckle.

Bauhaus greyhound collars (classic sighthound cut, 5 cm at the widest point)
S 25–30 cm (Italian greyhound)
M 29–35 cm (Whippet, young Hungarian greyhound)
L 34–40 cm (Greyhound, Borzoi, Hungarian greyhound)

LEASHES
Short Leash: 2.5 cm wide and 40 cm long, for walks in a crowded city or travelling on public transport.

Simple Leash: 2 cm (thin) or 2.5 cm (normal) wide and 100 cm long, for regular city walks.

Long Leash: 2 cm wide and 150 cm long, with a metal loop in the middle, for the most freedom.

3-way Leash: 2.5 cm wide and 100 cm long, with a carabiner on both ends: use it at 100, 80 or 40 cm.
Not sure which size to choose? Email us at madzagdog@gmail.com with your dog's neck measurement and breed, and we'll help.