ATTENTIVE SERVICE: We use high quality materials to ensure the durability of the products. In addition, Philley attaches importance to each of our customers. We will provide a 30-day return/180-day warranty service. If you have any problems about product,please contact us soon. SIMPLE &BUSINESS DESIGN--solid color series, can be used for various occasions. Using matte design, to prevent from slip from your hands, improve the grade of sense. SCRATCH-RESISTANT--use of internal soft lined design, care of lenses and frames from wear and tear.Appearance coating, not easy to scratch and not afraid of water splashing. HIGH STRENGTH& COMPRESSION RESISTANCE--density of aluminum alloy is low, but the strength is relatively high, close to or more than high-quality steel. ULTRA-LIGHT and EASY to CARRY: ultra-light, the weight only 50g; Size: 5.98inch(L)x1.92inch(W)x1.25inch(H),small volume,very easy to carry. . Snap closure. . Aluminum.