Origin: CN(Origin) Product name: Anti-Stress Magnetic Ring. material: plastic cement. Magnetic ring size: Outer ring 3.1cm. Inner ring diameter 1.8cm. Package size:16X7.6X2.5c/14.5x10cm. Package includes: 3x Magnetic ring. Colour: please refer to the last pictures for the options. Feature: 1. Anti-Stress Magnetic RingsMagic ring. 2. It is easy to operate and can play with one hand. 3. Relieve stress 3 to 5 minute average spins greatly fit for fidgety handsThese anti-stress magnetic rings will calm you immediately. 4. Easy to carry small simple discrete and fun also effective for focus and deep thought with using this magic ring. 5. It's a simple and enjoyable gift. Package Includes: 3x Magnetic ring.