Safe fabric material: The non-woven fabric is -free, breathable and . Fabric bags good ventilation to prevent excessive moisture, provide more oxygen and improve plant growth pruning Excellent drainage: Nonwoven fabric provide excellent drainage through the soil and effectively avoid root swirling. Keeps plant warmer in winter and cooler in the summer Easy to transport: grow bags with sturdy handle straps allows easily and safely moving.Grow bags are perfect to use at patios, gardens, balconies, sunrooms and any indoor/outdoor space Easy to store and reuse: These grow bags are washable for reuse for years. Easily fold up and 't take up much space when storing. At of the growing season, you may empty the bags, them and store dry.