Biodegradable disc for mulching potted and forest plants. - Significantly reduces the germination and development of weeds in the substrate. - Limits evaporation and reduces the consumption of irrigation water during the summer season. - Average duration: from 3 to 4 years. - Place the disc on top of the substrate when filling the pot. To prevent the disc from moving, place it inside the vase Diameter: 45 cm Made: 100% jute