Specifications: Mini size with fine workmanship. The ring looks completely natural to any spectator in fact that the ring does all the work for you. Baffle your audiences with this magical ring that appears to change size before your very eyes. Type: Magic Ring Material: NdFeB Features: Mini Size Magic Prop Magnetic Printed Size: 18mm/0.71 19mm/0.75 20mm/0.79 21mm/0.83 (Approx.) Notes: Remember not to fall. Due to the light and screen setting difference the item s color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Magic Ring