Important Tips: Please measure your pet's SIZE & WEIGHT before purchasing. Please refer our measurement method (2nd pic). Recomended: S: below 6.5lb, M: below 13lb. Adjuatable strap: length 38.6-43.6 inchs, fits small to large sized person, wide padded shoulder strap effectively reduced the sense of weight. Hands-free Design: Perfect for daily use like walking, cycling, traveling and other outdoor activities.You can take your pet anywhere, anytime. Material: Made of leather and mesh, soft, breathable and durable. Universal Use：Suitable for for small pets, such as Cats, Chihuahua, Yorkshire Terrier, Pomeranian, Mini poodle, Miniature Schnauzer, Teddy cups, ect. Weight & Height Recommendation Small: 15 x 3.9 x 7.8 inches, for pets below 5lb. Middle: 17.5 x 5 x 11 inches, for pets below 10lb. Color: blue, rose Note: Please allow 1-3cm differences due to manual measurement, thanks.