High Quality Plastic frame. ThesSunglassesre made of PC. You can fold the frame and slap it around your wrist or steering wheel, or bike handlebars, easy to use and hold tight. Easy to use and carry, with fun. Our slap foldablSunglassesre easy to fold up into a compact piece that can be clipped onto almost everything. You can customized each pair with an imprinted brand name, logo or message to create a great giveaway for tradeshows, seminars, picnics, summertime events and more! Measuring For Adult, this custom folding flexible wrisSunglassesUsage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: Portable, durable, practical for daily use.