Tear-proof Polypropylene Tree Storage Bag, Fits 9' free/ Gray The Tear-proof Polypropylene Tree Storage Bag by PEULEX is a large gray storage bag designed for Christmas tree storage. Made from durable polypropylene material, this storage bag is ideal for keeping your Christmas tree stand securely covered and protected when not in use. With a convenient set including one storage bag, this product is perfect for organizing and storing your holiday décor in an efficient and durable manner.