Back To School! Flow Fly Reusable Lunch Back Unicorn Print. Material: The FlowFly reusable Lunch Bag is made of the highly durable 600D Polyester,food safe PEVA lining and sturdy zippers. • Good Use:Premium fabric construction makes this small pink unicorn print lunch bag durable and easy to clean. Insulation helps retain hot and cold temperatures all day to improve food quality, freshness and taste, keep the meal healthy.It is moisture resistant, quick and simple, perfect for Age3+ kids and On-The-Go Parents. Measurements: 10.6” x 4.33” × 7.7”