For extra protection, these Pantyliners with a PUL leakproof layer. These Pantyliners are ideal for your light flow days, daily discharge, spotting or in combination with a menstrual cup or tampon for added protection. Additional information: - With PUL leakproof layer - 18cm length x 7cm width when closed All-in-One design with 3 ultra-absorbent cotton flannel layers inside, a breathable PUL leakproof backing & soft cotton flannel top. Closes with nickel-free plated snaps.