High quality: The hotel key card envelope is made of high-quality paper material, beautifully printed and not easily faded, ensuring long-term service for you.The size of the key case is approximately 2.4 x 3.5 inches/6 x 9 centimeters, with a total of 500 pieces in one set. It is portable and lightweight, does not take up too much space for storage, and is easy to carry; These card sets are suitable for many cards.Unique design: The hotel key card envelope adopts a curved design, which is convenient for quick card retrieval. The design is also very elegant, which can bring you more convenience.Widely used: The key card holder can be widely used to store hotel key cards, credit cards, ID cards, membership cards, travel cards, business cards, etc; It is also suitable for travel and daily use, and these key card envelopes can prevent the magnetic stripe on the card from being worn out.QUALITY CUSTOMER SERVICE: Any question about products or orders, please feel free to contact the customer service, we will try our best to solve the problem.