FOR SMALL DOGS OR CATS. Please priority follows the chest size. Size Medium, fits 12" back, 16" chest. Cute Printed Patterns: 4 pack dog pajamas printed with 4 different themed patterns, which meet multiple usage scenarios. Your dog will be extra cute in these dog pjs. Quality&Soft Material: These dog clothes made of soft & breathable fabric provide basic warmth and comfort, is suitable for all seasons, make sure your pet can get a good night's sleep. Enjoy Cozy in These Dog Pjs: The dog onesie is perfect for a good night sleeping, daily walks and wear, and photoshoots. Professional Designed: Ribbing for a comfortable & snug fit with an easy pull-on/off design, 4-legs design with elastic under belly for perfect fit. XPUDAC 4 Pack Dog Pajamas for Small Medium Dogs, Strechy Soft Dog Clothes for Dogs Girl Boy Pet Jumpsuit, Cat Onesie