ESC Tattoo Pet Tee Shirt Heart This tattoo tee feature a youthful and trendy tattoo design Easy fit pullover design features a high-cut belly to keep dogs dry Made of 65 percent cotton and 35 percent polyester Comes in small/medium size and measures 14-inch length; available in heart design Size Small/Medium is a half-size between a Small and a Medium. It fits dogs that measure 10"-14" from neck to butt; 11"-15" neck; 14"-17" chest (Small dogs = 12" long & Medium dogs = 16" long).