Act as a product designer with 10+ years of experience in creating innovative travel gear. Design a sleek, modern smart luggage piece that integrates GPS tracking and a weight sensor. The luggage should be [lightweight and durable], made from [aerospace-grade materials], and feature a minimalist aesthetic suitable for [both business and leisure travelers]. Include a discreet LED display for weight monitoring, a dedicated app for GPS tracking, and USB-C charging ports for convenience. Ensure the design is [TSA-approved and secure] with biometric locking mechanisms. Highlight the luggage's eco-friendly aspects, such as [recyclable materials and energy-efficient components]. Provide detailed visuals of the luggage from multiple angles, showcasing its functionality and design elements.