The Wool Pillow Top is Stage 2 in our 3 Stage "Grow with Me" system for kids who've reached 65 lbs. or more. It is made using our American Dream® Wool grown in America's heartland and carded in a 4th generation woman-owned woolen mill. Natural American Dream® Wool is processed using only natural detergents and conditioners. This topper is covered in 100% GOTS Certified Organic Cotton made in the USA. This plush topper is the perfect addition to our Little Lamb Kids' Mattresses.