1. Material: alloy 2. Aluminum alloy material, rounded corners design, smooth surface, protect your fingers from scratches 3. 360 degree infinite flip, exercise finger dexterity, relieve stress or pass the time 4. Easy to play, articulated structure ensures infinite cycles of flipping and can be converted into different shapes 5. Compact and portable, you can enjoy the fun at any time, pass the time when you are thinking or bored 6. In the process of playing with the bracelet, you can generally use the spikes, bumps and angles of the bracelet to massage the acupressure points on the palm of your hand 7. Size: about 8.3 x 7.3 x 1.5cm
