Martini Unbreakable Golf Tees Long Straight (Mixed, 24) Virtually Unbreakable - Much stronger than old-fashioned wooden tees Longer & Straighter Drives - Independent laboratory tests prove that Martini Tees really do give you longer and straighter drives versus wooden tees Less Resistance & Longer Roll - The large cup of the Martini Tee allows you to tilt the ball toward the hole as much as 20% Made in the USA & Conforms to USGA Rules - Martini Tees are made in Michigan and are legal to use in tournaments using USGA Rules of Golf Tees come in real drink shaker