One package has 4 colors,(blue,green,pink,pink,white) It has only one size(3m). ★this retractable dog leash features a sleek metal that solidly connects the leash and collar, preventing them from falling off or cracking. Enjoy a smooth and cozy walk with your dog. ★With this retractable dog leash, you can easily adjust the pull cord by pressing the button, allowing you to adapt to different scenes and situations. Whether you want to walk your dog in the park, on the street or in your backyard, this leash gives you the freedom and flexibility to control your furry friend.