Features: - Magically and effortlessly rolls down your arm, or any object, or stick. - Folds flat and pops open, fascinate your audience and challenge your friends. - Slide it down one arm and skillfully pass it on the other arm. - Fun and interactive toy, Best fidget, sensory and educational toys, release pressure. - Simple and sophisticated, fits both adults and kids. Description: Material: Stainless steel; Color: colorful; Size: 13cm; Note: Please allow slight 1-3mm difference due to manual measurement and a little color variation for different display setting. The pictures are only for reference, please make the object as the standard. Thank you for your understanding Package included: 1 X Flow Ring