This is a genuine, domestically distributed product, so please purchase with confidence. This item features the popular RayBan model 【RB5017A/RX5017A】 with photochromic lenses that change color in response to UV light. You can use it as fashion glasses indoors and as sunglasses outdoors. *The color will not change inside a car because the front windshield provides UV protection. ▼RB5017A Lineup #AikoOkaRB5017A This is a model favored by KJ, from Dragon Ash. 【Model Number】RB5017A 2000 52□19 135 【Frame Color】Black 【Lenses】Photochromic Lenses 【Clear ⇔ Brown】 【UV Transmission Rate】1.0% or less (UV protection rate of 99% or more) 【Size】Lens (Width 52mm Height 30mm) Nose width 19mm Temple 135mm 【Lenses】Photochromic Lenses 【Accessories】Dedicated case, glasses wipe, manufacturer's warranty *The lenses have been replaced, so there is no Ray-Ban logo on the lenses. As this is a personal sale, the warranty card will be blank. If you require a warranty, please purchase from a store. RayBan Sunglasses Authentic Genuine New Unused