This spare assembly lid is compatible with Milton Kool Steelight kids insulated water bottles that use the assembly / straw-type lid system. It is suitable for bottles commonly sold as 400ml, 660ml drinking capacity, or 900ml outer-size bottles, all of which share the same kids assembly lid design. The lid comes as a complete replacement assembly, including the sipper top and inner straw mechanism, making it ideal if your existing lid is damaged, leaking, or lost. Made from BPA-free, food-grade plastic, it ensures safe, leak-proof hydration for children during school, picnic, travel, and daily activities. ⚠️ Compatibility Note: ✔ Compatible only with Kool Steelight Kids Assembly/Straw Bottles ❌ Not compatible with 600ml screw-cap or adult flip-top bottles 📦 Package includes only the spare assembly lid. Bottle not included. Keep your child's hydration hassle-free with this replacement assembly lid designed specifically for Milton Kool Steelight Kids water bottles. This versatile lid is compatible with multiple bottle sizes including 400ml, 660ml, and 900ml variants. The innovative design features a leak-proof straw mechanism that makes drinking convenient while preventing any accidental spills in school bags or during travel. Crafted in an attractive blue and pink colour combination, this BPA-free lid adds both functionality and style to your child's water bottle. The easy-to-use assembly type construction ensures smooth operation for little hands while maintaining a secure seal. The durable build quality ensures long-lasting performance through daily use. Perfect for school, sports activities, or outdoor adventures, this replacement lid helps maintain the complete functionality of your Milton bottle when you need a spare or replacement.

• COMPATIBILITY: Designed specifically for Milton Kool Steelight Kids Water Bottles, fitting multiple sizes including 400ml, 660ml, and 900ml bottles
• LEAK-PROOF DESIGN: Features a secure straw lid mechanism that prevents spills and leaks, making it perfect for school, travel, and daily use
• VERSATILE FIT: Assembly-type lid ensures proper sealing and easy replacement for your existing Milton bottle lid
• SAFE MATERIALS: Constructed with BPA-free materials, ensuring the safety and quality of your children's drinking experience
• COLOUR COMBINATION: Attractive blue and pink two-tone design that appeals to children while maintaining functionality