Cali Kush offers a classic, bold and flat top gloss black frame with UV resistant black lenses that you will reach for everyday. Handcrafted in Italy from highly durable Mazzucchelli M49 Bio-Acetate, these sunglasses are leading the way in sustainable eyewear. ~ Why we love Bio-Acetate. Biodegradable Recyclable Compostable Mazzucchelli M49 is a cellulose acetate derived from cotton and wood-pulp fibres and manufactured using renewable sources. While upholding the same durability, functionality and aesthetics of traditional acetate, M49 is free from plasticisers and will break down in harmony with the planet. Flat Top Sunglasses Lens Category 3 UV Resistant Black Lenses Silver Hardware Afends Branding on Inner Arm Matte Black Recycled Tin Box Recycled Micro Fibre Bag Material Mazzucchelli M49 Bio-Acetate