Features 1. Effective stress relief: Squeeze or roll to alleviate anxiety and reduce stress. 2. For skin safety: A gentle feeling with brief traces that will soon disappear. 3. Quiet and cautious: No sound, very suitable for classrooms, offices, or quiet spaces. 4. Portable: Small in size, easy to put in pockets or bags. 5. Vibrant Colors: There are various bright and interesting colors to choose from to match your style. Specifications: Product Name: Roller nail grip buckle ring Size: 7cm Color: Black/Blue/Grey/Green/Orange/Pink/Purple/Red/White/Yellow Package Include: 1x massage keychain Note: Due to differences in lighting and screen, the color of the item may differ slightly from the image. Please allow for slight deviations in the measurement data and ensure that you do not mind before placing an order. Thank you very much for visiting our store. Wishing you a pleasant shopping experience.