About this item 1.These cards are made of high-quality cardboard, easy to write, beautifully printed, and can serve you for a long time. 2. Each card is 3.5 x 2 inches, with a total of 100 cards in one set, enough to meet your needs. 3. Encourage good behavior habits: The double-sided printing of these customer loyalty cards encourages customers to develop positive business habits; 4.These cards are exquisitely designed, stand out, and can leave a deep impression on customers. 5.These discount cards have enough writing space on them, giving people a professional feeling.