This article highlights compostable paper cups that blend lightweight convenience with eco-friendliness. Made from 60% renewable plant fibers (bamboo + sugarcane pulp), they reduce carbon emissions by 40% compared to traditional cups. The cups feature a PLA (corn-starch-based) lining for 100% leak-proof and heat-resistant performance, ensuring durability even with hot beverages. Certified FDA-safe and toxin-free, they decompose fully in 180 days (industrial composting) or 80%+ within a year (home composting), addressing the non-degradable plastic lining issue of conventional cups. Design details include soy-based ink printing, separable lids for easier recycling, and anti-slip grooves for safety. Produced in a zero-carbon factory using solar power and wastewater recycling, the cups undergo 12-step AI-controlled quality checks to achieve 99% material efficiency. Targeting both B2B (cafés, events, airlines) and B2C (families, offices) markets, they offer bulk discounts and customization. A commitment to sustainability includes donating 1,000 reusable cups to schools for every 10,000 cups sold. By prioritizing circular design and rapid decomposition, these cups redefine disposable convenience, empowering individuals and businesses to reduce waste and embrace a greener lifestyle.