Made from bamboo and rice, these biodegradable seed trays allow you to grow in harmony with nature. When you’ve finished with your tray, simply break it up and mix into your compost - and reuse as soil in your next growing cycle. Made from sustainable bamboo fiber, rice starch and organic resin Free from petroleum based plastics and BPA -- biodegradable and safe for the environment Lasts 5 or more years without composting. Use indoors or outdoors Ideal for zero waste gardening Tip: Composting may take 6-12 months. Break into small pieces to speed up this process. Size: 370mm x 215mm