Sugarbooger Birds and Butterflies Print Child's Insulated Lunch Sack. Bold happy butterflies and quirky birds! This brightly colored lunch bag is the ideal choice for your little one to carry snacks. Features full insulation, a hook-and-loop closure, interior card for ID information and a convenient handle strap. Laminated cotton canvas exterior, with wipe-clean insulated lining. Lead-free. BPA-free. Phthalate-free. PVC-free. Measures 7 1/2" x 4 1/2" x 10".