Just lay it flat under you dog, wrap it around the and then clip the straps up around the neck of the legs. My dog is a 17lb bichon.

The straps and buckles look like they would be super durable, but a lot of th seams and stitching only gets the very edge of the straps. Couldn't even test it or try on because the straps were broken.

The handle is large enough for quickly pulling our dogs close while on the trail and sturdy. The stitching seems to be strong because it holds up well to a dog who is excited on her walks. We have a 110 pond dog who pulls on the leash and is dog react...  Read More

It fits as well as the petsafe 3-in-1 harness for my pit/mastiff mix. Although i shouldve ordered a large for his growth it fits perfectly rn at 8 months 60lbs!