50 pcs of adult book lovers stickers are made of high-quality vinyl, with sun protection and waterproof function, and will not fade, wrinkle or peel; They are environmentally friendly and non-toxic, safe to use; The book stickers for adults are 60mm long or wide, with a variety of designs. The bookish smutty stickers are suitable for laptops, water bottles, skateboards, luggage, notebooks, scrapbooks, journals, planners, etc.; You can use them to personalize your belongings, making them unique and more attractive.