NALU Eyeglasses by Gotti. Color: Ruby, Plum, Ruby, Plum, Ruby, Plum, Size: 43-16, Material: 3D Sintered, Collection: Götti Dimension Next .. Sophisticated yet kid-friendly, the Gotti Nalu features a Swiss-manufactured, 3D‑printed polyamide frame that's both light and robust. This small, rounded cat‑eye design comes in a variety of rich colors to suit every child's style. The frame ensures a secure, comfortable wear – even amid the most energetic adventures.