STURDY - This gutter downspout extension is made of thick material to make sure it is sturdier than others. It can withstand up to 10 pounds without deformation. The bad weather (such as storm, snow) will not affect or damage it. It can be buried underground. EXTENDABLE - The downspout extender can be extended from 21" - 66", multiple drain pipes can be connected easily by rotating. which will help you to extend the downspout to protect the foundation of your house and your yard. WIDELY USED - The down spout drain extension has 2 different sizes of downspout adapters, which will be suitable for 2" x 3", 3" x 3" and 4" x 3" downspouts. The package contains 8 screws, which will help you to fix the adapter more securely to the downspout to prevent it from slipping down. FLEXIBLE - Easy to bend/ Maintain shape is the main feature of our gutter drain extension.It allows you to adjust it to any shape you need, and it is easy to restore. It has high flexibility with no tie or crack. WHAT IS IN THE BOX - 3 x Extendable drain pipes, 6 x Adapters, 12 x Extra Screws, 1 x Instructions. Please let us know if you have any problems. We will reply to you in 24 hours to provide you with the best customer services. Ogutter Rain Gutter Downspout Extensions, Downspout Extender for Rainwater Drainage Flexible, Down Spout Drain Extension Pipe and Extendable from 21 to 66 Inches