GelTees Biodegradable Gelatin Golf Tees ECO Friendly 2-3/4" Eco-friendly 100% Biodegradable - Made from pharmaceutical grade bovine gelatin, not eco-plastics, GelTees&trade; FULLY BIODEGRADE within days of being left in the elements. GelTees&trade; are designed to break into pieces as you contact the ball  Never pick up a tee again! With more than 2.8 billion wooden tees made in the US alone, GelTees&trade; could prevent the destruction of 70,000 trees per year and keep more than 1600 tons of carbon dioxide out of the atmosphere. The worlds only fully biodegradable golf tee with a mission. That mission is not only to lower the environmental impact of the game, but to fund charitable organizations that make the game better.