Customers wish to know about crystals and their properties when they are making a purchase. Our pocket-sized Crystal Information Cards are the perfect solution for your crystal sales. They are easy to comprehend and easy to manage. These cards can be sold as individual products or as a part of crystal packs to provide information to your customers on wonderful crystals and their healing properties. You can even use them as a reference guide for you and your staff! Plain back Pack of 100 Size: 9 cm x 5.50 cm