Frame material is metal and the glasses are rimless with no spring hinges. Lens width 2.09 in (53 mm); Frame width 5.12 in (130 mm); Lens height 1.30 in (33 mm); Bridge 0.71 in (18 mm); Temple length 5.12 in (130 mm). Measurements may differ by 1-3 mm. Rimless design offers a modern, lightweight profile that fits a variety of face shapes and complements different outfits without bulk. Lenses are upgraded acrylic, thinner and stronger for a lighter, more comfortable feel during extended wear. Nose pads provide a snug, pressure-free fit. The optical design aims for precise, steady vision to help reduce eye fatigue during prolonged use. Practical use scenarios: - Reading at a desk or on a tablet for long periods. - Computer work or screen time that requires clear, stable optics. - Travel, running errands, cooking, or other daily activities where lightweight eyewear is advantageous.