Baby/Toddler pull over sweater measures 15 inch in length. Arm length is 12 inches, and width is 5 1/2 inches.& Arm pit to arm pit is 15 inches. Stretchable yarn Hat size is 18-inch circumference and 8-inch height. Size 1-2 years old. Stay warm and stylish with our cozy baby/toddler pull over sweater and hat set. No more struggling with buttons or snaps; just slip on and go! Perfect for chilly days and oh-so-adorable, this set makes dressing your little one a breeze. Say goodbye to fuss and hello to ease!