M size Neck (approx. 30cm) Chest (approx. 46cm) → Measurement around the base of the front legs Length (approx. 31cm) → Straight line length from the button position Easy to put on and take off because it opens on the back (^^) Each item is made with care, but since they are handmade, there may be some imperfections. Please purchase only if you understand handmade items. Please make sure you choose the correct size (＞人＜;) Feel free to comment with any questions before purchasing! #Alice'sDogClothesShop