This is new for me, a tee made from gelatin derived from collegen from animals skin and bones. As the video claims, we mostly see it in vitamin caps, but we also see it used in marshmallows, jello and cosmetics. As the Super says "bring it on!".
Manufacturer claims that when left on the golf course, GelTees will decompose in just a matter of days after being in contact with the ground and water.