Material: the paraffin liners are made of PO plastic, safe for use
Feature: the paraffin wax liners can be applied over warm paraffin to contain the mess and lock in additional moisture; Disposable plastic liners, avoid wax getting your mitts dirty
 Increase heat therapy use with paraffin snuggly mittens or booties, works on hands or feet
Usage: the paraffin liners are for no-mess paraffin bath and other skin care.