These are little 30 second stubby cylinders, that I have a contract with a museum with, that are specifically for school children to test their voice on cylinders. I don't sell the napkin rings as the Mould is supplied by the museum, and I am not ready to say for who. _________________________________________________________________ Keep your kids safer online with Windows Live Family Safety. http://www.windowslive.com/family_safety/overview.html?ocid=TXT_TAGLM_WL_family_safety_072008
