2 Pack Frost Protection Bags Potted Plants Protective Bag 50 X 45 Cm Thermal Pot Protection with Drawstring & Zip Plant Insulation Cover Winter Protection for Potted Plants. Feature: 1. Increased Practicality: The frost protection bags provide excellent thermal insulation, keeping your plants warm in cold weather. 2. Winter Protection: Our thermal pot protector is made from breathable, waterproof Oxford fabric and aluminum foil, effectively shielding your plants from frost while ensuring adequate ventilation. 3. Lightweight Design: The potted plants protective bag features a compact and easy-to-move design, making it simple to transport and store while offering maximum frost protection for your plants. 4. Easy Assembly: With the thermal pot protection, safeguarding your plants from frost is hassle-free. Simply slip the bag over your pots-no tools or expertise required-to keep your garden safe and healthy. 5. Wide Application: The winter pot protector is ideal for shielding a variety of plants from winter freezes, including blueberry bushes, shrubs, fruit trees, tomato plants, and potted flowers.