8:15 am LUNCH BOX & BACKPACK WARNING Backpacks, lunchboxes and three ring binders are essential for school BUT health experts say they may hold a danger. LEAD! Be sure and check your child's school supplies to see if they are made with PVC or Vinyl. Look beside the universal recycling symbol for the number "3" or the letters "V" or "PVC." These products may contain LEAD...so get rid of them. And if you're not sure or if it isn't labeled, you can call or email the manufacturer.