The spacious size allows for easy step (climbing) and the height is approximately 3.9 inches (10 cm) and allows for a long period of aerobic exercise even by women and elderly, and the surface of the foot is wide enough for a wide amount of space. Includes soundproofing and non-slip mat and includes a set of "simple non-slip mat" which is designed to prevent sound and prevent slippage during use. No need to worry about rattling sounds such as apartments or second floors, and it will not damage your Japanese room or flooring. A long time trick to start with fun.Includes a step goal management sheet! Continuing step-lifting exercises, you can also train your muscles such as the quadriceps, abdominal muscles, back muscles, and glutes that reduce daily "stumbling", etc. A set of 3 10 minutes a day x 3 sets are included with the "Step Goal Management Sheet" to help you stay on your goals for a month. It seems to be a great gift for dads who dont have enough exercise on a daily basis, or to keep their legs from grandma or grandma.