The Ipower 12-Pack 5 Gallon Grow Bags Are Heavy-Duty, Thickened Aeration iPower 12-Pack 5 Gallon Grow Bags Heavy Duty Thickened Aeration Nonwoven Fabric Pots with Nylon Handles, for Planting Vegetables, Fruits, Flowers, Black Drainage Well Prevents Overwatering: Breathable felt material could excess extra water from raining weather when using outdoor and bringing fresh air into the pots which improve roots breath and also keep warm in winter while cooling down in summer 300g Thickened Nonwoven Fabric: BPA-free, safe for growing vegetables and other crops; Industry-leading thick nonwoven fabric, nylon handles, reinforced stitching for greater durability; free and easily standing with/without soil fulfilled Seasons Repeat Usage: The soft, lightweight but durable bags with sturdy Nylon handle straps allows easy and safe moving. Decreased risk of transplant shock for your plants; water washing allowable and easy storage for multiple uses Healthy Roots Formation: Prevents tangling roots allowing air-prune the plant's root structure; providing excellent air circulation keeping roots and soil oxygenated. Great for developing robust, fibrous root systems that stay healthy without regular root pruning Application: A great alternative pot for growing plants than other material plant containers while transplanting; perfect for outdoors, patios, or indoor growing; can be used with traditional soil or soil mixes