This carters 1-piece thermal pajamas is BRAND NEW IN THE PACKAGE. This pair has a green collar. This pair of pajamas has brown bears in their pajamas. There are a couple different pairs , such as one is wearing green pinstripes and another is wearing red and black check. The size of this pair is 6 months. There is a chart that labels 6 months as being 24-26.5 inches and the weight as 12.5-16.5 pounds. The material is listed as being 60% cotton and 40% polyester.