MATERIAL: These grow bags are made of thick felt This sturdy material is not only sustainable but also environmentally friendly, making it the for conscious . EXCELLENT DRAINAGE AND BREATHABILITY: The excellent breathability of the fabric ensures fast drainage and maintains optimal moisture levels, providing a favorable environment for healthy root growth and preventing waterlogging. REINFORCED POLYPROPYLENE HANDLES: Handles feature sturdy polypropylene webbing and X-stitching to support the weight of soil and plants, making it easy to move the bag as needed. PREVENTS ROOT COILING: Breathable fabric promotes air pruning of plant and prevents root coiling. This feature promotes a stronger root system for better nutrient uptake and healthier plants. INNOVATIVE VISUALIZATION WINDOW: A visual window on each bag allows you to monitor root development and soil moisture. This unique feature makes it easy to determine the best time to harvest without disturbing the plants. Colour:black Material:Felt Package Contents: 2 * plant bags Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.