REDUCE FRICTION:The glossy cup design minimizes the surface contact between golf tee and ball, effectively reduces friction and side spin for optimal accuracy & distance. STABLE SUPPORT:The tee CUP head measures 0.43 inch in diameter,enough to offer a stable support for the ball,designed for better durability and performance. STRIPE MARKING:Stripe marking help you freely customize the height of golf tees which helps you achieve consistent golf shots and make golf games easier. WELL PACKAGED: All golf tees are packaged well in the outer bag,include 25 pcs brown (2-3/4") and 25 pcs black white (3-1/4"),it will be a long time before you run out our golf tees. golf tees