The 4 Yards More 2 3/4 Yellow tees are a reusable golf tee that will add more yards to your driving distance. These tees are flexible with six-prong tips to reduce resistance and allow for better contact. This tee is the first and only tee proven in both "Robotic" and "Field" tests to improve distance.All 4 Yards More tee sizes give you extra distance:-Red: "Short Tee" perfect for Par 3s and driving with irons-Yellow: "Standard Tee" the ideal choice for most drivers and driving woods-Blue: "Driver Tee" for the right launch angle on large head drivers-Green: "The Extreme" the longest allowedFeatures:-2 3/4"-Consistent Tee height-Durable materials -Flexible six-prong tip reduces resistance