Rigid Curl wicks have the stability you want, along with the self-trimming you need. A candlewick for today€™s extreme demands. Rigid Curl will allow you to pass extended safety test requirements, without sacrificing the performance of your candles under normal burn conditions €¢ Rigidity in your filling process. €¢ Self-Trimming feature helps maintain a safe flame height during extended burns. €¢ Reduced carbon build up due to selftrimming feature. €¢ Self-trimming feature minimizes soot. €¢ Unmatched consistency spool to spool and batch to batch. €¢ Unmatched stability in deep wax melt pools. Made in the USA