Books to Bed Youth Long John and Book Set - How Do Dinosaurs Say Goodnight Set includes Dino-patterned long johns and book. Sizes 4 (35-38 lbs), 5 (39-41 lbs), 6 (42-46 lbs), 7 (47-53 lbs), 8 (54-57 lbs) and 10 (58-70 lbs); garment should fit snugly. Machine wash cold. Cold tumble or low heat. Wash before wear. 100% Cotton. Made In the USA.