Increase Your Drive by 8-yds (Lab Tested) More Distance 36% Smaller Head For Low Friction High Performance Unbreakable Semi-Soft Plastic Golf Tees | 10 Yellow L1 Pro Launcher Tees 36% smaller ball seat area for less friction and a cleaner launch Perfect Flex  tapered shank design and semi-soft composite combine for less resistance at impact Unbreakable - but your friends might steal it! composite Launcher Tee results in an increased Total Drive Distance 24-ft (8 yards) Over your standard wooden tees. U.S.G.A Conforming