These bags DO NOT have self healing injection ports. You will receive 25 x 1-pound bags of premium sterilized rye berries, conveniently packaged in mushroom grow bags. Each bag is fully hydrated and sterilized, ensuring a contamination-free and ready-to-use substrate for mushroom cultivation. Designed for convenience and quality, each bag includes a 5-micron filter patch and provides 1 quart of substrate per bag. Ideal for inoculation or grain-to-grain transfers, these sterilized rye berries deliver consistent results for hobbyists and commercial cultivators. Stored in a cool, dry location, the bags maintain freshness for over 4 months. Once colonized, each 1-pound bag can inoculate up to 5 pounds of bulk substrate, making this bulk deal an economical and efficient choice for growing gourmet mushrooms.