Designed specially to fit your skimpiest, sexiest undies, Carefree Thong Liners have stay put wings to keep your liner in place and end-to-end adhesive to eliminate bunching and keep you moving.Designed specially to fit your skimpiest, sexiest undies, Carefree Thong Liners have stay put wings to keep your liner in place and end-to-end adhesive to eliminate bunching and keep you moving.