SIZE INFORM:

S Size - (About Suitable Weight for Pet 19 lb-38 lb).
Fits for American Eskimo Dog,Beagles,Kerry Blue Terrier,Kooikerhondjes,and Puli,miniature Australian Shepard, etc.
- Chest Size:22.8"- 25.2"
- Belly Size:13.4"- 20.1"
- Neck Size:14.2"- 16.1"

M Size - (About Suitable Weight for Pet 39 lb- 60 lb)
Fits for Samoyed,Siberian Husky,Goldendoodle,Malinois,Bearded Collie,and American Staffordshire Terrier, etc.
- Chest Size:27.6"- 31.9"
- Belly Size:16.1"- 21.7"
- Neck Size:20.0"- 23.6"

L Size - (About Suitable Weight for Pet 61 lb- 100 lb)
Fits for Doberman,German Shepherd,Schnauzer,Labrador Retriever,Old English Sheepdog,and Rottweiler,etc.
- Chest Size:31.0"- 35.0"
- Belly Size:26.0"-39.0"
- Neck Size:24.0"-31.0"

WEIGHT AND ACCOMODATE
S:9.9 oz, Can accomodate under 1.5 lb
M:11.6 oz, Can accomodate under 2.5 lb
L:13.4 oz, Can accomodate under 3.5 lb

-Please take for reference on above measurements correspond to chest,belly,neck size to get a suitable backpack for your dog,
- Waterproof design.But If it rains,it will get wet.
- Be careful the sharp items like branches ,to prevent scratching.
- Don't put overweight in the pack, otherwise your pets will uncomfortable.

• BREATHABLE MESH & SOFT Padded for your pet comfortable wearing, waterproof
• DURABLE BARTACK DESIGN & RUBBER TOP HANDLE for better control easily
• FULLY ADJUSTABLE STRAPS for best fit for small to large
• ENOUGH CAPACITY POCKETS for pet accessories or your belongings
• PERFECT FOR DAILY WALKING, HIKING, CAMPING OR TRAINING

BREATHABLE MESH & SOFT Padded for your pet comfortable wearing, waterproofUltrafun