children's books/handcrat books/handmade books/POP-UP books/cardboard books/children's book sets 1 Material: two layers 300gsm 450gsm C1S 2 Size:can be customized 3 Printing:full colors offset printing 4 Finish: cover Glossy or matte lamination and inner Glossy or matte varnishing 5 Binding: perfect binding.OEM and Design service will be welcome!Welcome to visit our factory for further discussion!