Postsaver Rot Protection Post Sleeve 4.5-in Black/Green Composite Post Sleeve For Wood Fence 10-PackPostsaver Rot Protection Post Sleeve 10 Pack Guard your wooden fence posts against ground line rot with the Postsaver Rot Protection Post Sleeve. Featuring a dual layer composite design, this durable sleeve effectively deters decay and fungal damage, ensuring the longevity of your fence or deck posts. Ideal for eco conscious homes, it prevents harmful chemical leaching into the soil, offering 20 years of robust protection. Key Features: Dual layer