Flex Tee Durable, Flexible, Consistent Height Tee Multi-Pack Tees Flex Tee's flexible design flexes on impact. Greater distance and accuracy in drives due to less resistance at the point of impact. Durable and virtually unbreakable. Flex Tee's built-in stops set consistent ball height. Each pack contains 3 heights (2-1/4", 2-1/2", 3")