Size information XS Back Length:17-18cm(6.69-7inch), Chest Length:28-30cm(11-11.8inch), Neck Length:18-20cm (7-7.8inch) S Back Length:19-21cm(7-8inch), Chest Length:30-32cm(11.8-12.5inch), Neck Length:20-22cm (7.8-8.6inch) M Back Length:23-25cm(9-13.7inch), Chest Length:32-34cm(12.5-13.3inch), Neck Length:22-24cm (8.6-9.4inch) L Back Length:28-30cm(11-11.8inch), Chest Length:34-36cm(13.3-14inch), Neck Length:24-26cm (9.4-10inch) XL Back Length:33-34cm(12.9-13.3inch), Chest Length:40-42cm(15.7-16.5inch), Neck Length:26-28cm (10-11inch) XXL Back Length:38-39cm(14.9-15.3inch), Chest Length:42-44cm(16.5-17.3inch), Neck Length:28-30cm (11-11.8inch) Please pay attention to measure the chest circumference of your pet. It's a wise decision to choice the larger one. For example, you measured your pet very carefully,and you still can't sure purchase the L size one or the M size one, you'd better purchase the L size one.Hand wash machine washable (Please pay attention to measure the chest circumference of your pet. It's a wise decision to choice the larger one.). Dogs Cat Sweater Cute Jumper for Small dog, Chihuahua, French Bulldog, Pug, Schnauzer, Poodle and others. Small Dog Warm Jumper Sweater suitable for wearing in autumn and winter, protect the pet from the coldness. Soft Cosy Sweater: Small dog sweater are made of soft and comfortable materials, light-weight and warmth, good tensile. Small Dog Puppy Cat Sweater XS Size Back Length: 17-18cm (6.69-7in), Chest: 28-30CM (11-11.8in), Neck: 18-20cm (7-7.8in).