Jumbo winter tees can replace your normal plastic or wooden tees in winter when the ground is frozen and you can't use your regular tees. The set consists of three extra high rubber pyramids of different heights that are stringed together so you don’t loose them after your shot. blue = 15 mm.
Can also be used of artificial golf mats, for instance in your garden or on the driving range.
red = 20 mm.
grey = 45 mm.