Purchased for a 47# German Shepherd after her spay. Only bought this here because I had just adopted the rescue dog and she was not established as a patient at any vet clinic. While the XL looks like it fits, it is definitely too small (in length) for my dog. The entire design of this is poor, but everything on amazon seems to be the same. Woke after the first night and my dog had completely removed it overnight, with all the snaps still locked. Happened 1 of 2 nights.Your vet clinic may sell a medical protection shirt that is far, far superior to anything you will find on amazon and far worth any additional cost. There are shirts out there with a better neck, no snaps or zipper along the back, and no rear leg holes. With "real" ones you just slip it over the neck, put the front legs through the holes and then it snaps around the tail. Ridiculously better than the shirts on amazon.That said, I made this work. Had to pull it forward on my dog at least every hour because it kept sliding back though. I would recommend buying a size larger if you can't decide. If it is a little too big it will still likely work better than ending up with one that is a little too small.We had our doxies fixed this week. This fit them just fine and they did not seem uncomfortable. For our girl this worked perfect and did not cause any issues. Super comfortable and easy to put on her. SHe gave us no issues. Our boy was (is) impossible. This fits him fine and we cut out the bathroom spot. The problem is this did not cover his surgery spot at all. We tried several modifications to make it work, but in the end we gave up and put the collar of shame on him. SO bottom line- girls yes- boys no.My dog was spayed and the various cones and alternatives made her freeze up with fear. She would not move with a cone on. This onesie fit her great and made access to the incision difficult enough that she left it alone. There was enough room out the back that she could do her business.El material muy bueno, le quedo bien a perritaMy dog hated the cone of shame and seemed so depressed when wearing it. I took it off when we were around but had to put it back on when we left her alone and at night. As soon as I saw how she acted in the cone, I was on Amazon looking for an alternative. This suit was a lifesaver. We didn't have to constantly watch her to make sure she wasn't licking. Her scar has healed so well. The suit also washes and drys well. This suit was a lifesaver. The vets should recommend these I stead of the cone. I also feel like it gave an extra protective barrier for her wound. My dog weighs 35 lbs and we ordered the large. It was perfect.did the trick along with a donut ! and he looks really cuteThis saved my dog from wearing a cone after being spayed.According to size chart my dog needed a size Large. Back length is 15" long, chest 23", and 21 pounds. But the large was too small around in the body for my dog. Could barely get it snapped. It supposed to be form fitting, but if you can't even get it snapped up, it's just too small. Fabric was a nice cotton feeling material, but not very stretchy so there was no give for movement or allowance for any shrinkage when washed. No way the size large suit we received would fit a dog weighing up to 33 pounds (according to chart). Was just too small. Had to return.La verdad es un producto de muy buena calidad y hermoso en diseño, lo único que les recomiendo que se fijen bien en la talla la primera vez que compré uno para mi perrita solo me guié por la medida del lomo y pedí una talla L cuando llegó si era la medida de lo largo pero le quedó nadando de grande, volví a comprar otra y la pedí una talla menos ósea M y le quedó muy bien a la medida por eso les recomiendo que se guíen por la medida del pecho y no de lo largoAhora maya se está recuperando de su cirugía cómoda y sin estrés por el collar isabelinoMe encanto! Lo primero que uso Greta después de tu esterilización fue el cono, la veía triste, apenas llegó el paquete se lo coloqué de una manera muy sencilla Gracias a la hilera de broches a todo lo largo de la prensa a la altura del lomo, y le quedó Perfecto, fue de mucha ayuda seguir los consejos al seleccionar la talla y medir a la perritaLos oroficios para que vaya al baño y las patas son excelentesLa veo realmente cómodaCompre talla L para mi cocker tamaño mediano y le quedo bien!!Son demasiados botones que abrochar pero en general es muy bueno para proteger la panza de mi perrita :DFunciona perfectamente para que el perro no lastime las heridas al lamerse o rascarse. El perro está mucho más cómodo que si utilizas collar isabelino o Dona. Las medidas del traje fueron perfectas según lo indicado en la descripción del producto.Le quedo perfecto a mi perrita y estuvo muy comoda en su recuperacion.