The Cokin Creative Filter System comes with "The Guide to Cokin Filters" booklet containing 158 examples of filter effects. The blue square filter is drop-in and is designed to fit film cameras. Made in France, this Cokin filter offers a unique way to enhance your photography experience. It is perfect for those who love to experiment with different filter effects. The Cokin brand is well-known for its innovative filter systems, and this filter system is no exception. With the "Filter Book" attribute, you can easily choose the perfect filter for your specific shot. Overall, the Cokin Creative Filter System is an excellent addition to any photographer's collection.