Marcus & Marcus Kids Training Chopsticks are ambidextrous with adjustable rings that can be tuned in an angle that fits perfectly on each individual hand. The snap fit hinge design and wider tips of the chopsticks are also for easier food pick up. All parts of the chopsticks are detachable for easy cleaning. Kids can start off with all 3 rings provided in the set then gradually remove a ring without any support for the middle finger. When you are a pro with Marcus & Marcus chopsticks, just use them without any rings! Marcus & Marcus learning chopsticks are made of BPA, Phthalate and Melamine free materials.