Bamboo Aviator Sunglasses Women Metal Frame Bamboo frame Plastic lens non-polarized Lens width: 60 millimeters Lens height: 50 millimeters Bridge: 15 millimeters Arm: 135 millimeters Reinforced Metal Hinges. Genuine Wood Bamboo from Sustainable Resources. They're made with actual wood, so Every Pair is Different. Each Pair Comes In Its Very Own Bamboo Case and Microfiber Pouch to Protect and Keep Your Glasses Clean. The shipping time is about 10-15 days on the way. You can track it on www.usps.com 2-3 work days later if you are resident in US. sometimes,the delivery time may be longer(15-20 business days)..pls wait for it patiently.