Thank you for viewing my product! M size for small dogs Fleece neck tank top These are very warm, and I'd love for many dogs to wear them, so I'm offering them at a low price! Made from fleece material, perfect for small dogs to wear as loungewear or pajamas. Size: Chest (at the widest point): Approximately 45cm Length (neck to tail): Approximately 30cm Neck circumference: Approximately 26cm I think dogs in cold regions will be able to stay very warm with this✩︎⡱ And... This is the type of clothing that my own dog wears the most! As this is a handmade item, there may be slight variations in color or minor imperfections. Please understand this before purchasing. Thank you for your understanding. "If you would like a L or XL size, please let me know and I will make one for you."