Our breathable fibre gardening grow bags allow root aeration and prevent roots circling or stunted growth. During the heat of summer and/or in direct sunlight our grow bags regulate temperature due to their breathable quality. Excess heat is able to escape from all sides of the grow bag. Promotes aeration, air pruning, and regulates temperature They are High Quality Eco Friendly Grow Bags of 500 GSM made with Recycled PET. Since these terrace garden bags are porous in nature, they prevent over watering and water stagnation as excess water drains out. When travelling, a plate filled with water can be kept under the bags and they will absorb the water down to up- reverse osmosis. Gardening grow bags are light weight and come with built in handles making them easy to move to different locations. They are popular since they can be brought from inside to out with ease and they take up minimal space when storing. Since its fabric, even if they fall, they do not break.