1. [Using Thermal Transfer Technology]: Sublimation blank sunglasses soft bag transfer parameter is 200°C to 215°C heat press 16-30 seconds, please adjust the temperature and time according to different heat press machine. You can remove the mountaineering buckle during the heat press to make the transferring pattern of the eyeglasses bag more uniform. The finished sunglasses case has bright color, not easy to fade or change color 2. [Perfect Size for Wide Use]:This ultra-lightweight soft sunglasses case measures 7.05 x 1.8 inches, easy to carry; The sunglasses case is designed with a wrap-around zipper that prevents items from falling or getting lost, effectively protects your personal belongings, and comes with a practical removable hiking clasp design that makes it easy to carry with you on your travels. The soft sunglasses case is suitable for most sunglasses, presbyopes, goggles and more 3. [Quality Materials ]:The sunglasses case soft is made of soft and flexible neoprene material, the sunglasses case soft can provide enough protection, durable and wear-resistant, smooth inside, will not scratch the plastic lenses and prevent sunglasses from being scratched or damaged when dropped. Sublimation sunglass case can also be used as a wallet, jewelry pouch, cosmetic case and so on