Premium Material: These Spiky Sensory Rings are made of high quality stainless steel with an anodized coating, which is reusable, rustproof and not easy to fade.
Perfect Size: Outer Diameter is about 2.8 cm / 1.1 inch, Inner Diameter: 1.3 cm / 0.51 inch. The rings are flexible and suitable for most people's fingers.
Practical: The spiky finger rings can reduce anxiety, relieve stress. Suitable for men and women, students and office workers.
Easy to Use: These spiky sensory rings are lightweight and portable. You can roll these rings up and down your fingers at home or on the go.
Wisdompro Retail Package include: 16 x Spiky Sensory Finger Rings.