The Alba Plant-Based Sunglasses are both stylish and sustainable. With charcoal lenses offering 100% UVA / UVB protection, they are the perfect choice for smaller face shapes. Made from bio-acetate (from plants, not crude oil), they also come with a lifetime repair guarantee. Made from sustainable Italian Mazzucchelli bio-acetate, an eco-friendly version of plastic, it's made without crude oil and is certified biodegradable Materials sourced in Italy, glasses ethically and responsibly manufactured in China by DoChange Lifetime repair service - free repairs on faulty glasses, accidental damage repaired for a low fee Polarised lenses with 100% UVA/UVB protection Frame size: Small. This frame is best suited for smaller heads. Ideal for many face shapes and nose heights. 45mm-20mm-140mm (lens, nose, temples) Built-in flexible micro-hinges and easily adjustable arms for a comfortable fit Comes in a sustainable eco-cork case, with a recycled Share Your Sun cloth Every pair sold includes a donation to SolarAid, helping distribute solar lamps to families in Zambia and Malawi Bird eyewear is a certified B Corp - a business that is a force for good Sent in plastic free packaging Bird Eyewear are dedicated to making tough, sustainable sunglasses that give back. Made from cutting-edge bio-acetates - sustainable plastics derived from plants - these frames bring timeless style, with a tiny carbon footprint. Bird eyewear is built to last using strong, flexible materials - but can be composted in just 115 days. The first UK eyewear company to become a certified B Corp, Bird consider their social and environmental impact at every level of their business. With ethical manufacturing, plastic-free packaging and a donation to SolarAid with every purchase, these are sunnies you can truly feel good about.