Chinese Blue and White Porcelain Bookmarks Suit (2Pcs Pendant & 2Pcs Straight (Flower Pattern)) Made of stainless steel, solid and durable, good for years of use Detailed finish and finely polished, ensures no sharp edge or rough surface to cause damage to your book. Glossy, smooth and simple designed, these bookmarks shows great aesthetic beauty. The flat part is in median thickness, suitable for most books with different paper quality and cover thickness. Perfect to purchase as gifts or collections.