VIVOSUN 5-Pack 7 Gallon Plant Grow Bags, Premium Series Thichkened Non-Woven Aeration Fabric Pots w/Handles - Reinforced Weight Capacity & Extremely Durable (Black) Material: Made with premium 300D nonwoven fabric, heavy duty & durable; Reinforced handles for easy movement Structure: Prevents roots from circling and improve overall root structure; Automatically percolate excess water Warmer & Cooler: Keeps plants warmer in winter and cooler in the summer Specifiacetion: 5-pack 7 gallon grow bags Warranty: Super durable & reusable; Comes with 3-Year warranty