Nothing makes a child feel more like a big kid than the first lunch box they can call their very own, and we love the bigger options that are perfect for Mommy and older siblings! SoYoung bags are made of coated linen and have a clean, modern feel with a palette of retro-inspired designs to suit every taste. Wear it backpack or messenger style for hands free adventure outings! Every cooler bag and lunch box will now come with a leak proof insulated insert for easy cleaning and to help avoid staining from spills. PVC, Pthalate, and BPA-Free.