All Preston pet products are made with durable nylon webbing. Collars and harnesses feature Delrin Acetal side release buckles for ease of fastening and separating and solid nickel plated “D” rings for strength. The collars are easily adjusted for length and are available in 10 sizes.
Harnesses are available in two styles and 14 sizes.
Cat Collars feature Delrin Acetal side release break-away buckles for safety and solid nickel-plated “D” rings.
All Preston Leads use nickel plated swivel snaps.
Collars, leads, and harnesses are 100% guaranteed for materials and workmanship.
Sm Collar (11-18")
Med Collar (12-20")
Lg Collar (15-24")
XL Collar (18-28")
Med. Martingale Collar (10-16")
Lg. Martingale Collar (13-18")
XLg Martingale Collar (15-21")
Med. Buckle Martingale (12-20")
Lrg. Buckle Martingale (15-24")
XLg Buckle Martingale (18-28")
Med Harness (18-28")
Lg Harness (22-33")
XLg Harness (27-42")
4 ft. Leash
6 ft. Leash
2 ft. Coupler
3 ft. Coupler
How To Measure a Dog
Use a soft measuring tape to measure around the dog’s neck, chest, girth, waste or length. If you need help, please click here to email us. Please view the image below or the size chart within each product description.

Susan Lanci Size Chart
1/2 Inch Collars
1/2" Collars | |||
Size | Size Code | Width | Approx. Measurements |
TC | 1 | 1/2" | 5 1/2" - 7" |
XXS | 2 | 1/2" | 6" - 8" |
XS | 3 | 1/2" | 7" - 8 1/2" |
S | 4 | 1/2" | 9" - 10 1/2" |
M | 5 | 1/2" | 11" - 12 1/2" |
L | 6 | 1/2" | 13" - 14 1/2" |
XL | 7 | 1/2" | 15"- 16 1/2" |
5/8 Inch Collars
5/8" Collars | |||
Size | Size Code | Width | Approx. Measurements |
XS | 3 | 5/8" | 8" - 10" |
S | 4 | 5/8" | 10" - 12" |
M | 5 | 5/8" | 12" - 14" |
L | 6 | 5/8" | 14" - 16" |
XL | 7 | 5/8" |
16"- 18" |
Step In Harness
Step In Harness | ||
Size | Size Code | Approx. Chest |
TC | 1 | 8 1/2" -9 1/2" |
XXS | 2 | 9 1/2"-10 1/2" |
XS | 3 | 10 1/2"-12" |
XS/S | 3.5 | 11 1/2"- 13" |
S | 4 | 12 1/2"- 14" |
S/M | 4.5 | 13 1/2"- 15" |
M | 5 | 14 1/2"- 16" |
M/L | 5.5 | 16"- 18" |
LG | 6 | 18"- 20" |
LG/XL | 6.5 | 20"- 22" |
XL | 7 | 22"- 24" |
Tinkie Harness
Tinkie Harness | ||
Size | Size Code | Approx. Chest |
XXS | 2 | 8"- 10" |
XS | 3 | 10"- 12" |
S | 4 | 12"- 14" |
M | 5 | 14"- 16" |
L | 6 | 15"- 17" |
XL | 7 | 17"- 20" |
Hair Bows
Hair Bows | ||
Size | Size Code | Width |
TC | 1 | Approx. 1” |
XS | 2 | Approx. 1 1/2" |
S | 3 | Approx. 1 7/8" |
Faux-Fur Coats
Faux-Fur Coats | ||
Size | Size Code | Girth Measurement |
XXS | 2 | 8"-10" |
XS | 3 | 10"-12" |
S | 4 | 12"-14" |
M | 5 | 14"-16" |
L | 6 | 15"-17" |
XL | 7 |
17"-20" |
Wizzers
Wizzers | ||
Size | Size Code | Girth Measurement |
TC | 1 | 8"-9 1/2" |
XXS | 2 | 8"-10" |
XS | 3 | 8 1/2"-11" |
S | 4 | 9 1/2"-13" |
S/M | 4.5 | 11"-15" |
M | 5 | 13"-17" |
L | 6 | 18"- 22" |
XL | 7 | 21"- 27" |
XXL | 8 | 26" 34" |
DOG IN THE CLOSET SIZE CHARTS
Our tanks are made of a baby rib knit and designed for a tight fit. If you want the tank to fit loose, please order a larger size. If your dog has a lot of hair, you may want to order the next size larger. Often dogs will wear two different sizes of tees depending on their hair cut.
Dog In The Closet Tutu's
Size | Width Under Arms | Length |
XXS |
4.5 |
8.25 |
XS | 5.5 | 10 |
S | 6.5 | 12 |
M | 7.5 | 14 |
L | 8.5 | 16 |
XL1 | 10.5 | 18 |
XXL | 12 | 21 |
XXXL | 14 | 24 |
XXXXL | 16.5 | 28 |
Dog In The Closet T-Shirts
Small Dog Clothes: Vest, Dresses, Clothes
THE DOG SQUAD SIZE CHARTS
DOGGY STYLE DESIGN SHOES AND BOOTS
GEN7 STROLLERS
DOG IN THE CLOSET SIZE CHARTS
Our tanks are made of a baby rib knit and designed for a tight fit. If you want the tank to fit loose, please order a larger size. If your dog has a lot of hair, you may want to order the next size larger. Often dogs will wear two different sizes of tees depending on their hair cut.
Dog In The Closet Tutu's
Size | Width Under Arms | Length |
XXS |
4.5 |
8.25 |
XS | 5.5 | 10 |
S | 6.5 | 12 |
M | 7.5 | 14 |
L | 8.5 | 16 |
XL1 | 10.5 | 18 |
XXL | 12 | 21 |
XXXL | 14 | 24 |
XXXXL | 16.5 | 28 |
Dog In The Closet T-Shirts
Small Dog Clothes: Vest, Dresses, Clothes
THE DOG SQUAD SIZE CHARTS
DOGGY STYLE DESIGN SHOES AND BOOTS
GEN7 STROLLERS