Specification:Help ADD and ADHD sufferers relieve stress and anxiety.Perfect size suitable for adults and kids.Easy to carry, small, simple, discrete and fun.Flick and spin for hours with just one or both hands.How to Use:Hold spinner in one hand and use the other hand to spin it rapidly using small continuous strikes to keep it spinning indefinitely.With practice, spinners can be spun with one hand by only using the fingers of that hand to stop and start spinning.Type: Hand Fidget SpinnerMaterial: Nano Stainless Steel, ABSFunction: Relieve Stress, Killing Time, Focusing, Anti-anxiety, Wind-Fire Wheel, Chinese Red, Contrast ColorSize: 80mm x 84mm x 17mm/3.15" x 3.31" x 0.67" (Approx.)Notes:The bearing of this product can not be washed with water! After playing a long time, soak the bearing with alcohol for cleaning.Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.