● Easy to use - just unroll the mat and you are ready to record jumps Eliminates the use of tape measures, eyeballing distances, and the fear of slipping Provides excellent grip at take-off and cushions landings Does not tear or wrinkle Puncture resistant Nonslip on any surface Measurements printed directly on mat Measures in inches and centimeters Portable size: 144 x 22 x 1/4 Ideal for college and high school coaches and physical education instructors who want to carry out accurate testing of athletes and follow the fitness progress of students High-quality, durable rubber construction