Carolyn Rectangle frame is a distinctive pair of eyeglasses, made of comfortable and durable TR90 material. The temples can adjust to the exact length you need them to be. The frame has magnets at the end of the temples. When you want to take off your glasses, instead of having to look for your case or set them down somewhere, you can simply attach the magnetic ends of the temples together around your neck. Simple and easy, you never have to worry about setting your glasses down somewhere and losing them. No matter where you are, at home, in the office or in the sports field, these eyeglasses are great choice for you.