This is a treadmill safety key designed to stop your treadmill in a short time, and it is made of sturdy material, sturdy and practical for a long-lasting use. And it is equipped with a magnet design, which is easy for you to install it, and you can have a more safe fitness with this safety key. Features -Color:Red -Material:Magnet, plastic, polyester -Size:13.00X3.00X3.00cm/5.11X1.18X1.18in -Made ofplastic, polyesterand magnet material, durable and practical for long-lasting use. -When used, the safety lock is placed in the groove of the panel and the other end is clipped on the clothes, which is convenient to operate. -It can be used as an emergency stop for treadmill safety, suitable for professional and personal use. -Lightweight and portable, which is more convenient to store and use, and you can take it when you go to the gym. -A good gift for yourself, family, friends, co-workers, treadmill users, and people in need. Packing list2 x Treadmill Safety Keys