?? Material: canvas + tin foil Size:approx 21*14*15cm ?? These lunch bags are made with the best-quality tin foil film design, can have good thermal insulation effect. Plus, both are washable, reusable and foldable for easy storage. Great for the environment as well as gifts! ?? Target User: Kids, Students, Worker. ?? Ideal for office, school, picnic, camping, etc. ?? Multi-purpose: It can be used as a baby bag, make-up bag, beach bag and more! Lightweight tote to carry your favorite lunch or meal prep containers to school, work, picnic or next camping trip.