GRECH & CO. Sustainable Sunglasses | Bio-Based . Bendable . Polarized | Consciously Created For A Brighter Future. Designed in Denmark. Parent Tip: Hold onto your baby sunnies til about the age 5Y, as baby faces thin out when they enter the toddler years. MATERIALS: Frame: Bio-Based Bendable TPE Lenses: Biodegradable Tri-Acetate Cellulose (Polarized) CERTIFICATES: ISO 12312-1:2013+A1:2015 | EN71-1,2,3 | REACH | CPSC | UKCA | CE | FDA DETAILS: - GRECH & CO. Sunglasses straps and cases also available CLEAN + CARE: Avoid exposure to water. Dry lenses thoroughly if exposed to water. Do not store under direct sunlight for extended periods of time. WARNING: This item is not a toy. Use with supervision for children below the age of 3 years.