No known defects. Does not come with box. Photo is there for sizing only. The ThunderShirt Anxiety Vest is a high-quality, gray pressure wrap designed specifically for small dogs. Made from a comfortable cotton blend material, this vest provides excellent calming effects for pets suffering from anxiety. The ThunderShirt brand is known for its high visibility features, ensuring your furry friend stays safe and secure during stressful situations. thundershirt dog vest dog anxiety wrap calming dog shirt thundershirt small dog thunder shirt anxiety vest dog compression dog vest gray dog wrap pet calming jacket dog stress relief thundershirt training aid