SAZAC Hamster Kids Kigurumi (5-9 Years) Material: Fleece (100% polyester). Imported 100% Original from Sazac the creator of Kigurumi in Japan. (NEW) Machine washable High quality fiber used in manufacture. Kids Kigurumi come in two sizes - 43 and 51. 43 (110cm ) is perfect for 3 to 5 year olds, while 51 (130cm) is best for 5 to 9 year olds. Adults Kigurumi are One-Size-Fits-All. They are made to be loose fitting and will fit anyone at least five feet tall. Unisex.