Acrylic material. The transparent acrylic case makes the content completely visible. This type of material is durable enough to resist scratches and scratches, and it does not damage most surfaces and work surfaces. The box is transparent, allowing peopleto view your business card from a distance. The sloping design gives you easy access to your potential customers' contact information, and the clear colors match any settings in your home, office or reception. Using a business card holder is a quick and easy way to get business, giving you a good first impression and promoting your business. It is suitable for offices, travel agencies, retail stores, trade show booths, conference rooms, hotels, reception centersand so on. Depending on the thickness, the compartment can hold approximately 40-50 cards. Clear acrylic business card holders are ideal for creating organized professional desktops or countertops. Single layer size: Three layer size: 4*3.5*2.7 inch (10.3*8.9*6.8cm).