100% Aluminum Imported Extra support for Alvantor Screen House & Bubble Tent: Using this telescoping tarp pole inside Alvantor Bubble Tent to get more snow-proof and wind-proof; Using it inside Alvantor Screen House to prevent water from collecting on the roof and give more wind-proof. Versatile Usage: This tent pole is made of aluminum alloy, solid and durable. It is the best choice for people who love camping, hiking, jungle adventure, and other outdoor activities, two of these poles are professional for tent fly, tarps, canopy, etc. Easy to Use: This adjustable rod comes with a pole and a ball. The top ball eliminates punctures when supporting the fabric center. If removing the top ball, the stainless steel needle can fit all grommets. It has three adjustable segments easy-to-use twist and lock mechanism, and reliably interlocks without the threat of vertical collapse. A durable rubber bottom makes it anti-slip and long last. Adjustable & Portable: This telescoping adjustabl