MATERIAL :- Brass ♦》SIZE :- Length - 2.75 Inch, Width-4 Inch ♦》QUALITY:- Our Binoculars for Adults Are Manufactured Under Strict Quality Control System, And Comes with Excellent Quality. If You Have Any Questions, Please Feel Free To Contact Us, We Are Here To Help You. ♦》THE PERFECT GIFT :- For Travelers, Bird Watcher, Nautical Collector's And Home Decorative. Suitable For Bird Watching, Sports Events, Outdoor Travel, Hiking, Sight Seeing, Concert, Ball Game Etc. ♦》USAGE:- If You Want To See Something Far From You. Just Put out The Binoculars And Put On Your Eyes And See The Object Clearly Visible. Our Binoculars Have More For You Like Soft Touch Rubber So That You Never Loose Your Grip And Streamlined Textured Finishes Provide Classic Performance In A Great Looking Modern Design