Thank you for viewing. This is a sleeveless dog wear from Toi et Moi. It was only tried on when the puppy was small. There is no size notation, but the weight at that time was about 1200g, and there was a little room. I think it's about SS to S size. The neck and sleeve circumference are about 25cm. Please check the other sizes in the photos. The fabric is like a T-shirt material and is somewhat stretchy. It has been washed once at home. Although it was only tried on, please purchase it with the understanding that it has been stored at home.