11.5ft Long Gutter Downspout Extensions Flexible, Drain Downspout Extender, Down Spout Drain Extender, Gutter Connector Rainwater Drainage, Extendable from 2.6ft to 11.5ft(Brown)US Patented Product : No. D988482, No. D988483, No. D997309, No. D1009230, No. D1012250, No. D1016252, No. 11885441 Thickened Material : This downspout extender is made of PE material, we thicken them to make it more harder and sturdier than others. We've done thousands of load bearing tests, and it can withstand at least 10 pounds without deformation. It is suitable for the complex environment outside your house. You can even bury it in the ground