Burpee 32 Cell Compostable Seed Starting Kit Burpee 32 XL Cell Eco-Friendly Seed Starting Kit comes with one compostable watering tray and two 16 cell compostable planting trays with self watering mat and reservoir tray 32 Burpee natural coconut fiber Super Growing Pellets and two biodegradable germination covering sheets Two Plant-o-Gram diagrams to note which varieties were sown in each cell Three 3" wooden plant marker stakes Expert tip: Place super growing pellets flat-side down, and add very warm water slowly for maximum expansion