**Product Specifications:**
**Brand:** Quark
**Patents:** US 7,029,758, US 8,133,414 B2
**Lens Material:** PVA acetate
**Age Group:** 8-14 years old
**Lens Technology:** Melanin fusion technology
**Blue Light Protection:** UV400nm, HEV high-energy light (380-500nm)
**Features:** HD clarity, color saturation, reduced eye strain, 99% UV protection
**Usage:** Daily activities, studying, online classes, screen time, outdoor activities
**Frame Material:** G850 food-grade degradable material
**Frame Weight:** Approximately 9g
**Frame Styles:** Suitable for girls, boys, teenagers (8-14 years old), big kids (6-12 years old), small kids (4-10 years old)
**Additional Features:** Elastic metal hinges, comfortable nose pads, anti-slip temple tips
**Certifications:** EN ISO 12312-1:2013 (A1:2015), AS/NZS 1067:2003 (A1:2009)
**Manufacturer:** KODA OPTICAL LENS FACTORY, Guang Dong Prov. PRC
**Contact:** TEL: 076988867633, FAX: 07698867638
Please note that product specifications may vary slightly between batches and are subject to adjustments by the brand.
