Dr.GRAM are extremely light, beta-titanium glasses frames. The product weighs only 3 grams and features a unique fabric weaving hinge structure that allows easy assembly. Moreover, Dr.GRAM products feature various colors and designs and are compatible with one another, which helps maintain product sustainability. Dr. GRAM does not use screws or welded joints, reduces the loss rate of beta-titanium to 0%, and eliminates unnecessary processes and environmental pollution during the production process.