When was the last time when in the middle of your golf play/golf tournament/whatever felt urgent need to run back to the club house and find the "rest room". Green Toi Gmbh came out with a smart idea how avoid such unexpected, undesired situations. I guess TOI is a familiar solution for most of us who have ever been on constructions, open air festivals etc. In summer time we feel like in a hot house when we use TOI, but at least we can do our "job" in a civilized way.
The pictures below talk to themselves. Although Green Toi reminds me airplane toilettes.