1>. Cover is colored changing PU. 2>. Magnetic metal closured + metal plate bookmark. 3>. The metal can be engraved with customer's logo or company's name. 4>. Inside is 96 sheets of 80 gsm white or ivory lined paper. The printing can be designed by customers. 5>. FSC Certified paper is also available. 6>. We have more than thousands of PU in stock. So, the threshold of PU minimum requirement is low and can have more variety of color combination. For example, 1,000/2000 PCS can assort 2 and 4 colors combination.