The Brickma is handcrafted from premium natural cellulose acetate. Cellulose acetate is a plant-based plastic made from cotton and wood fibers. It is hypoallergenic, strong, lightweight and flexible. Each pair of frames is outfitted with 5-barrel hinges, polarized lenses and comes with a lifetime warranty. Handcrafted Eyewear by Parkman Sunglasses Made in the USA Anti-Scratch and Anti-Reflective Coating 100% polarization kills reflected glare and reduces eye strain 100% UVA/UVB Protection Rx Ready. Includes clear PLANO Lenses 5-barrel hinges Includes Original Packaging with Hard Case & Cleaning Cloth Hypoallergenic, Lightweight and Flexible Natural Cellulose Acetate Frame Money Plaques Made From Real Shredded US Currency 5.25″ Frame Width 1.6″ Lens Height Dimensions (MM): 51-17-135