Main Features: Made of unwearable plastic for long use life Easy to carry them around as its light weighted Easily spotted after you hit your drive because of their bright colors Can keep the ball in place and reduce the hit towards the tee Great for hitting by irons and hybrid clubs Specification: Material:plastic Size:31mm,37mm,43mm,51mm,57mm,70mm Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness Please allow 1-2cm differences due to manual measurement Package Included: 50 X Golf Tees