Thank you for viewing! This is a vest with a simple design. I think it can be worn by both boys and girls. It has a front opening with snap buttons and is made of a thin, stretchy knit fabric, making it easy to put on your dog and perfect for everyday walks! The front buttons are decorative. You can put a cold pack inside the sailor collar, making it perfect for summer walks♪ It is made with a two-needle, four-thread overlock machine and a home sewing machine. 【Actual Measurements】 Neck circumference: Approximately 30cm Chest circumference: Approximately 45cm Length: Approximately 25cm (excluding collar) Please forgive any slight errors due to amateur measurements. 【Compatible Dog Breeds】 Chihuahua, Toy Poodle, Yorkshire Terrier, Miniature Schnauzer, Maltese, etc. ※ Although I sew carefully, please understand that this is a handmade item, so there may be slight distortions, stitches, or loose threads. We appreciate your understanding before purchasing. ☆ Anonymous shipping ☆ Immediate purchase welcome