• Protect your eyes from blue light with 7-layer anti-reflective lenses, improving sleep and reducing eye strain. • Thin and durable lenses with a multi-layer coating that prevents scratches and abrasions. • Classic and ultra-lightweight design that fits most face shapes. • Includes cleaning cloth, hard case, silicone ear hooks, screwdriver, and blue light blocking test tools. • Product dimensions: Width -0.1 cm, Height -0.1 cm, Length -0.1 cm. • Product weight: 0.011 kg.