A valuable tool for anyone providing oral hygiene to someone who may have difficulty keeping the mouth open. Designed with an easy-to-control handle that is long, to protect fingers Inner core is rigid, but the outer, latex-free foam surface is comfortable. Can be cleaned in hot water (much like a toothbrush would be) and reused for the same person. The Open Wide Mouth Rest Thick has the same sturdy structure, but 40% more foam to withstand greater biting pressure.