FAQ Question 1: Can I get samples? Yes, certainly. Samples will provided, Sample fee is refundable when you place an order. Question 2: How long is the sample lead time? Samples will by the express delivery immediately, it will only takes 14 days into your hand. Question 3: Can I customize my logo or any redesign the products? Yes, The OEM is available. Multi-color available as well. Multiple functions Lens. Question 4: What are the certifications do you have? The products by certification CE,FDA, ISO9001,BSCI. Question 5:Could I put my own logo on the glasses for small order?Do it need extra cost ? Yes,logo customizable for small order, Logo is made by printing and laser engraving,Which also can be made by metal logo. the cost depend on different quantity of small order. Contact us if you need more details on tony stark sunglasses. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Fashion Sun Glasses、New Sun glasses. If these products fail to match your need, please contact us and we would like to provide relevant information.