🔑 Key Features ✅ Safe Material – Made from food-grade PC, ABS & silicone, safe and durable. Temperature range: -20°C to 100°C. ✅ Leakproof Design – 360° protection with double seal, rubber ring & lockable flip lid. No spills in bags 🎒 ✅ Easy Straw Use – One-click open lid with built-in straw & secure lock. ✅ Portable Design – Cute bus shape with shoulder strap, easy to carry. ✅ Easy to Clean – Detachable lid & straw. 📦 Details: 500ml capacity, ideal for kids, school & travel.