Sandman Crafts Colorful Crystal Gem Pen Set Ballpoint (12 Pack) Black Ink The pen case is filled with sparkling crystal elements, which catches the light and glisten with every stroke of the pen as you write Pack of 12 amazing quality crystal pens. Refillable and contains black ink. Different color combinations please check our other listings. Please note this is not manufactured by Swarovski and does not contain Swarovski on the clip.