LOWER YOUR STRESS AND ANXIETY: The flippy chain fidget has helped people to quit smoking, lower stress levels, succeed in school, stop biting nails picking at scabs, relieve social tension at parties or gatherings... even improve relationships. The list goes on (Just scroll through the hundreds of reviews if you dont believe us). SILENT YET SATISFYING: Perfect for hours and hours of non-distracting and silent fidgeting. The flippy chain doesnt dIstract or draw attention (unlike its cousin, the fidget spinner) and Is perfect for using In classrooms, offices, meetings, airplanes etc BULLETPROOF DESIGN: The stainless steel split rings and chain links will never corrode or break, and the silicone O-rings provide additional texture and grip and will never fade In color Product Product name: Decompression vent bicycle chain toy Material: metal key ring + silicone ring Product weight: 15g Size:about 5cm long Color:Yellow Packing includes:2*bicycle chain toy Note: The picture is for reference only, the actual product shall prevail.The CHDZ team is at your service and we hope you enjoy your life