High-Quality Upgrade: This screen door features super magnetic power, closing automatically in one second without noise and sealing tightly. Its wide design and sturdy nylon make it stronger and more load-bearing; eco-friendly and beautiful, durable and wear-resistant, it can be used for years – mosquito and insect repellent, pet and child-friendly, it's ideal for your yard, patio, balcony, etc. Various Sizes & Customization: We offer hundreds of sizes to choose from, with some sizes shipped via international express (please refer to the delivery time on the page). Custom service is available; please contact us for advice. Size Selection: The size includes the edge Velcro, not the door size. Measurement method: First, measure the inner width of the door frame, then add 5 cm above as the product width; then measure the inner height and add 4 cm above. Purchase a larger size rather than a smaller one, but the final size must not exceed the outer diameter of the door frame, otherwise, it cannot be installed. Welcome to consult us. Easy to Install & Remove: No drilling required, quick installation in minutes. The included Velcro fastener is used for flat door frames of all materials, and nails for uneven wooden door frames. The door curtain is easy to remove, leaving no marks or damage on the door frame. Perfect Service: As the product measurement is manual tile measurement, the size may have an error of 1 to 2 cm, which is normal. For any questions, please contact us at any time; we will definitely reply and resolve. Please check our reply emails within 24 hours after sending a message so you don't miss our emails and solutions.