1-Fast, easy way to make delicious, healthful and natural snacks like banana chips, fruit roll-ups and beef jerky ,dried fish 1-Fast, easy way to make delicious, healthful and natural snacks like banana chips, fruit roll-ups and beef jerky ,dried fish2-Drying Vegetables ,herbs(tea,flowers,seeds,leaves,stems of herbs )3-Drying crafts :flower, apple wreath .• Expandable to 10 trays• Adjustable ...