Two-sides Velcro Window: Unlike other potato grow bags, ours have two-sides Velcro visualizations windows, through which you can observe the growth of the plant more comprehensively and more clearly. Plus, it is more convenient for you to harvest the potato with two windows. Save your energy and time. Breathable Material: The non-woven fabric is moderately permeable, which can drain extra water, avoiding root damage caused by excessive watering. Fabric pots are of great benefit to air pruning of the roots which translates to more roots created to absorb more nutrients and water. Make plants grow vigorously. Large Capacity: 4 Pack 10-gallon Grow bags with large capacity which is enough room to produce the tubers and let the roots to grow without swirling or growing in a circle. It is beneficial to provide a health growth environment for plants. And our plant grow bag are more sturdier, can last for five or more growing seasons. Sturdy Handle Straps: The handle of bag is more durable