Round Sunglasses Wooden Bamboo Glasses Men Women Bamboo frame plastic lens non-polarized Lens width: 49 millimeters Lens height: 49 millimeters Bridge: 12 millimeters Arm: 140 millimeters Reinforced Metal Hinges. Genuine Wood Bamboo from Sustainable Resources. Each Frame is Polished and Coated with A Water/Sweat Protective Layer. Each Pair Comes In Its Very Own Bamboo Case and Microfiber Pouch to Protect and Keep Your Glasses Clean. The item will ship to you by registered airmail, Usually, it takes 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. You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!