Extremely Portable --> Features a half-folded spectacle frame, multiple folding temples, and an ultra-slim glasses case. This foldable design allows the glasses to fit into most pockets or wallets, taking up minimal space and offering maximum portability for on-the-go use. High-Quality and Healthy Materials, Excellent Corrosion Resistance --> The frame is constructed from Swiss EMS TR material, and the temples are made of German Wagner stainless steel, combined with IP plating technology. The temple tips are covered with food-grade silicone, ensuring the glasses resist fading or discoloration from sweat. Practical Design, Super Light and Durable --> Weighing only 9.76 grams, these glasses provide a lightweight and comfortable fit with no pressure on the head or nose, offering a clear and unobstructed experience. Abundant Accessories --> Includes one slim, hard-shell case with a soft inner lining to protect against scratches; one strong double-sided tape for attaching the case to phones or flat surfaces; and two soft rubber rings that can be added to the temples for added comfort during extended use while reading, working on screens, watching TV, gaming, or using electronic devices.