Sprinkler Buddy

[dgammon6]

A few months ago I discovered Sprinkler Buddy on this forum. I bought some and installed them and so far am very pleased. Easy to install and will prevent grass from growing around the sprinkler head. Also will inable mowing crew to spot them easily. Sprinkler buddy.com. Thanks, TOTV.

[Paperboy]

A few months ago I discovered Sprinkler Buddy on this forum. I bought some and installed them and so far am very pleased. Easy to install and will prevent grass from growing around the sprinkler head. Also will inable mowing crew to spot them easily. Sprinkler buddy.com. Thanks, TOTV.

Can U tell me more about this product?
Where can U purchase them? Cost per unit? Time to install & how it's done.
Thank You