Actvital Foot Gym Muscle training effect just by walking 24.5cm - 25cm Actvital L Train your core and aim for beautiful posture. Walking increases the amount of various muscles used, so it is recommended for those who have been struggling with muscle training that has only lasted for three days! 【Rolling setting to encourage the next step】 ・Let's widen your stride 　Use the momentum of the rolling to take the next step further ・Let's align your stride 　Step forward with good rhythm with the support of rolling ・Let's increase your walking speed Aiming for exercise by brisk walking. The unique insole structure strengthens the core and tightens from the inside, and the center of gravity naturally falls on the inside of the foot, leading to beautiful posture and a body that is easy to lose weight. The instability of walking on the beach stimulates the beautiful leg points! The heel is a whopping 7.5cm! You can expect a leg-lengthening effect just by wearing them. Shipped in simple packaging. We only respond and ship on Tuesdays, Wednesdays, and Thursdays. (It may take some time to ship and reply) Size...24cm Color...Green系