- Patented 2 in 1 aligner seating & removal design - Chewtool aligner seating feature ensures proper aligner fit for better treatment tracking - Easy and intuitive aligner removal especially with new trays or too many attachments - Reduces patient costs when compared to buying disposable aligner chewies - Hygienic and hands-free - Can be used by hands of all abilities - Soothes and relieves sore gums from new sets of aligners - Reusable lasts entire aligner treatment - US PATENT: 16/455663 Non-Latex Country of Origin : China