BELA Eyeglasses by Gotti. Color: Ash, Slate, Mocca, Sand, Teal, Blush, Size: 49-20, Material: 3D Bionic, Collection: Götti Dimension Bionic .. The Gotti Bela is a refined round optical frame that makes minimalist style feel effortless. Made in Switzerland using a bio-based castor polyamide. The material is eco-friendly, durable, and impressively light for everyday wear. The Bela is a great choice for luxury eyeglasses that prioritize comfort, longevity, and a classic aesthetic.