RainDrain TB100 Rain Drain, Green RAINDRAIN is a the Original Rain removal system, Keeps water away from foundations and basements, Prevents erosion and landscaping washouts UV inhibited polyethylene for durability and pliable softness Fits maximum 15" and standard downspouts  2" x 3" and 3" x 4" and 4" round Easy to install, fasten with twist or cable ties (Not included) Easy to remove, recommended to remove and store during freezing temperatures