The Bai Series is crafted with an ancient mortise-and-tenon technique, the entire frame contains no metal or screws, fundamentally ensuring the safety of young wearers. With the newly-launched colour palette, we offer options that care for your child' s eyes while allowing them to express their personality and individualty, The design derived from our medical, optical and ereonomically knowledge, possesses our three patented features: lens with fixed focal points, changeable nose pads, adjustable temple lengths.