Cloth liners with snap buttons, in a user-friendly beige design. Useful even on cold winter days. Cuts down on panty stains, making them last longer. Reduces waste disposal. Economical and kind to your wallet! Nothing but good things! Set of four. We hope that by warming the body and uterus during the cold winter, it will help alleviate women's unique physical discomforts, coldness, and chills. All are made of soft, warm fabric. Linen is also quick-drying, relieving dampness. Perfect for pre-period discharge and the slightly soiled period after menstruation. Can be washed thoroughly. Also, if you have wider panties, the underwear may feel a little loose, so please adjust the width of your panties accordingly. For the coming season, we've adopted flannel fabric to gently and warmly embrace you, with organic double gauze inside. Washable many times, and eco-friendly to the environment. Because it's simple, it won't be disappointing to hang it outside to dry like a handkerchief, even after washing. We've focused on simple colors and shapes. It has a three-layer structure, but it's thick and fluffy. By attaching a small, disposable heat pack, it transforms into a warm pack for your intimate area. Very convenient in cold weather (heat packs are not included). Perfect for warming activities and fertility treatments to combat the cold. All materials are carefully selected and Made in Japan. Materials*** Outer: Gentle linen half fabric, made in Japan. Middle: Double gauze organic cotton. Inner: Flannel, cafe au lait color or milk color. Size 15.5 * 17.5 ** 6 width Snap buttons are white. Linen half color * Off-white ① * Otome (Maiden) ② * Natural ③ * Greige ④ Simple set