Tough material Choose healthy and safe ingredients. The rotating keychain is unscented and safe to use. It is strong, unbreakable, stable and long-lasting. Improve concentration Keep the wheel spinning with one hand as you rack your brain for your next project or new business idea. A keychain spinner can improve your concentration and concentration. Rotate for 3-5 minutes Turn the keychain for 3-5 minutes. Long rotation times of up to 5 minutes can be achieved using common flipping techniques (desktop, finger rotation, etc.). It can be carried around at home, at school or on a trip because it is light and easy to hold in your hand. If you put it in your bag, it can be carried anywhere. On Halloween, Christmas, Mardi Gras, birthdays, and Father's Day, you can give keychain spinning as a gift to your family, friends, or loved ones. Hold this motion with one hand. You can use it to improve your focus and concentration when you are fully focused on the thinking task. It can rotate for 3-5 minutes. If you've ever used a gadget before, then you know that the longer it spins, the better. Specifications: Dimensions: About 5 * 3.8cm/2 * 1.5inch Material :PP Packing list: Turn keychain *3