N-Green Pack of 4 Stylish 3in1 Bookmarks - Bookmark, Drawing Pattern, Rule - Set of 4 Stylings Stylish Bookmarks, High quality stainless steel made, With it's 0.2mm thin. 3-in-1 designs that can mark book pages, measure and pattern drawing. Ideal Gift for Adults and Children. Pact of 4 Designs with different patterns. Bending this product forcefully may cause it bend permanently of break. Not for Children under 3 years old.