Small but mighty, these machine washable lunch boxes are perfectly sized for bento boxes and superhero lunches alike. • Linen/Cotton Exterior Fabric • Insulated Interior • Machine Washable: Clean easily on a cold, gentle cycle. Please avoid dryers and refer to our care instructions before cleaning. • Removable Insulated Insert • Detachable Long Strap: Wear it as a messenger bag or backpack (47"). • PVC, Phthalate, Lead, and BPA Free: Ensuring the safety of your little ones. • Extra Back Pocket: Perfect for storing cutlery or little love notes. • Dimensions: 7"L x 4"W x 7.5"H