The 42mm Coconut Coir Jiffy Style Pellets by Jiffy are top-quality biodegradable seed starting pellets perfect for gardening enthusiasts. These Jiffy Style Coco pellets are made of natural coconut coir, providing excellent water retention and aeration for healthy plant growth. Simply add water and watch them expand! Ideal for starting seeds or transplanting seedlings, these pellets eliminate transplant shock and promote strong root development. Give your plants the best start with these eco-friendly and sustainable coconut coir pellets.