These grow bags are made of sturdy material, allow roots to breathe and grow healthier, and give plants extra thick stems and healthy roots. You can also observe the growth of roots and seeds from the flap. Ventilated holes on the bottom and sides improve aeration, provide better drainage and air circulation. But most importantly, the air prunes the roots and helps the root system of the branches to come out. The size is large enough to create a stable growing environment for vegetables and flowers. The strong handles make them easy to move around as needed. 4 Pack vegetable planter bags make planting, growing and harvesting easy and perfect for potatoes, onions, carrots, tomato flowers, etc. These bags can easily be used for multiple seasons and do not take up much space when stored.