The recovery suit comes in four sizes (M-XXL) to fit medium and large dogs.XL:60*75*43, Suitable for 50-66 pounds. Made from a high-elastic breathable fabric consisting of 95% cotton and 5% Spandex, our suit offers superior softness, comfort, and unrestricted movement. Please refer to the size chart for accurate selection. To facilitate the defecation process, the circular cloth can be cut along the side marking line, with gender-specific cut positions clearly illustrated in the provided picture. Machine washable To put the suit on, simply utilize the back leg Velcro and elastic bands on the neck and shoulder. The unique tie-dye style and high collar design provide a better fit and extra protection for your dog's neck. This ensures that your pet remains comfortable and secure throughout the recovery process. [Additional Information] Please note that our dog surgery recovery suit serves as an excellent alternative to cones and E-collars. It solves the issues of patient warmth, eating, sleeping, and movement after surgery, while also allowing for easy defecation and urination without the need to remove the suit. Rest assured, our dog onesie for surgery suit is designed to keep your pet dry and comfortable. It's important to consult the size chart and follow the usage instructions to ensure a proper fit and optimal functionality. Should you have any questions or concerns, please don't hesitate to reach out to us. Your pet's well-being is our top priority.