BINGPET Little Princess Girls Dog Shirt Summer Clothes for Pet Puppy Tee shirts Dogs Costumes Cat Tank Top Vest,Black Medium M:10.2 inch neck, 15.7 inch chest,11 inch body length. Some customer replied it is runs small than store size,please choose the upper size. 65% cotton 35% polyester; soft and comfortable.Machine wash and dry Cute Little princess pattern printed in the shirt,easy to read. Lightweight and isn't too heavy,your dog will used to wear this shirt.