It's made of PU.Stylish leather notebook cover, using exquisite craftsmanship, elaborate production, use it to give you a beautiful experienceThe 6-ring binder is made of sturdy stainless steel, can hold the paper firmly and prevent from falling off. Card slot can store cards, pocket can store paper, money, intimate multifunctional design, convenient storage accessories, convenient recording.The lightweight easy to carry, convenient for home, office, school and travel, easily fits in your handbag, backpack, suitcase or desk
