Yumbox Original Exterior Box allows you to match trays and exterior box together to create your very own Yumbox. Be sure to that you are matching the same model tray and exterior box. For example: pair Original Trays with Original Exterior Boxes only. Compatible with Yumbox Original 6-compartment Trays (Click here) After matching your tray to exterior box, you now have your very own Yumbox Original 6-compartment lunch box that is sized perfectly to slip into school bags and work bags for healthy, balanced meal time at school or work. Make lunch on-the-go easier and more fun with new Yumbox Original! Designed for toddlers Includes exterior box only. Compatible with Yumbox Original 6-compartment Trays (Click here) Recommended for ages 8+ years. Product comes withone-year limited warranty that covers defects in materials and workmanship.Manufacturers warranties may not apply in all cases, depending on factors such as use of the product. Read warranty details below to check your eligibility.