Dear Concern,We are a company from United States of America. We are interested in your Glasses Tag, RF+RFID Hard Tag, +Glassess Tag, so we contact you through Alibaba.Here is the information's about the product that we need:does this product detach by magnet or buy a screwdriver. does it come in Gray color. can you put a logo on it. I would want am 58hzcan you tell me the total cost gray with logo am 58 HZ including shipping to Alpharetta Georgia the logo would be color for 1000 pieces EINECS No.,Type,CAS No.,What types of packaging do you usually use for this product?Wish to hear from you soon.Yours faithfullysusan reimboldReimbold Eye GroupChip Type:Impinj Monza 4QT / Monza R6RFID Standard:EPC C1G2 (ISO18000-6C)Material:ABS Show More