This recall involves 303 styles of “Light Up” watches that are identified by style number.

The case-back of the watch can detach and expose the interior to water, posing a risk of skin irritation, redness, rashes or chemical burns.

A complete list of the serial numbers is listed on the firm’s website http://www.regcen.com. The watches have a flexible plastic wristband sold in multiple colors including pink, pink with white snowflakes, green, blue and navy blue. “MZB” and the style number are printed on the case-back of the watches. 

MZB toll free at (888) 770-7085 from 8 a.m. to 7 p.m. ET Monday through Friday or online at www.mzb.com and click on Product Safety Notice tab at the top of the homepage for more information.