If your period is just starting or winding down, u by kotex curves pantiliners can help protect your undies from surprises and last-minute spotting. U by kotex curves regular liners help you stay fresh and provide soft panty liner protection that's great for lighter flow days. U by kotex curves panty liners have the clean wear cover for soft, comfortable wear throughout the day. Curves regular liners are now in four colors and three patterns.