fit 3-12 years and up depending on kiddo's head size. the ultra durable, flexible and light material is specially designed with kids in mind... it can be chewed on, dropped, thrown, stretched, even stepped on! check out the durability video under Product Information see how tough yet flexible they are! soft, lightweight arms bend gently inward to help keep the shades on junior's head while remaining ultra comfortable. arms can be bent to fit their head shape as need too. all this and still so light they can float!
approximate measurements: 5" front (temple to temple) x 4.5" long (arm length) x 1.5" high.