Come and see our amazing products. The cover of product is made of PU (Poly Urethane) and notebook shape. Using a very creative way of switch - open the books can light up, and close it together, will turn off. It is USB rechargeable. it is 4 color led desk book lamp. Logo can be imprinted. Pls confirm with us about the packing info, stock status and exact production time before placing your orders.