Skip Hop Spark Style Food Jar TruckPack Their Meals With Epic Style! Featuring Cool Designs That Let Little Personalities Shine, Our Stainless Steel Food Container Keeps Kid Sized Portions Warm Or Cold For On The Go Munching. We Even Included A Matching Spork With A Built In Holder (How Handy Is That?) Check Out Our Entire Spark Style Collection Today. Age 3Y+ Stainless Steel Body Helps Keep Food Warm Or Cold Keeps Food Warm Up To 7 Hours Or Cold Up To 5 Hours Built In Holder Fits Most