Professional manual with a set of 6 DVDs and textbooks for learning nail techniques. Thank you for viewing! These materials are from a few years ago, so I'm not sure if they are suitable for current certifications, but they are very easy to understand and are recommended as supplementary materials! Product Contents ・Nail Basic ・Nail Professional ・Acrylic Nail Basic ・Gel Nail Basic ・Gel Nail Step Up ・Gel Nail Professional Each set includes one textbook and one DVD. - Product Name: Nail Certification Materials - Brand: CLASTYLE - Purpose: Nail Art - Language: Japanese