Suit for small pet: Make sure to measure your pet's chest girth and back length before ordering to ensure the perfect fit. Remember to size up if your pet falls between sizes Premium Quality Fabrics: Premium Quality, Superior Comfort and Fit, offering optimal flexibility and comfort for dogs Multiple Choice：S(Chest Girth 12.6", Body Length 7.9"), We believe that: We sincerely hope that you can choose size based on our size chart Versatile Style: With a classic crew neck and sleeveless design, these tees are perfect for pet runs and casual outings Easy to Care For: These dog vests are machine washable, making them easy to care for. Simply toss them in the wash and they'll be ready to wear again in no time RichePet 4 Pieces Dog Shirts for Small Medium Large Pets, Printed Waffle Knit T-shirt for Boys and Girls, Breathable and Comfortable Material, Summer and Spring Style