The Practi-MASK® CPR training mask is a cost effective tool for classroom training of CPR, and provides an alternative to the use of a traditional CPR resuscitator with human use one-way valve. The Practi-MASK® combined with a Practi-VALVE® CPR training valve is all that’s needed, offering a savings of 35% or more The Adult/Child Practi-MASK® includes a soft, pliable bladder for conforming to manikin faces and is sold in packs of ten. Masks do not have oxygen port and are for training only. LATEX FREE