Valentine's Day cards are special greeting cards exchanged on Valentine's Day, celebrated on February 14th each year. These cards often express feelings of love, affection, and friendship. They can feature romantic messages, cute illustrations, or heartfelt quotes, making them a popular way to show appreciation for loved ones. People of all ages participate in this tradition, sending cards to partners, friends, and family members. Valentine's Day cards can be handmade or purchased from stores, and they come in various styles and designs. Many people also include small gifts or chocolates along with the cards to enhance the celebration.