SWEET DREAMS DOG PET EMBROIDERED PINK COTTON PAJAMAS Super Soft 100% Pink Thermal Cotton Dog Pajamas Embroidered the bottom with Sweet Dreams" OPEN TAIL END for quick potty break, Easy on and off Size of the PJ's: Medium (Back Length: 12" Chest: 16-19" (Most Important) Neck: 12-14") See description below for detailed sizing instructions