These scrabble tile pendants are 3/4" by 5/8". A unique image is secured to the back of an actual scrabble tile. The image is coated with a layer of resin making them water resistant, but not water proof. Scrabble tile pendants come on an 18'' ball chain. If you perfer a diffent length of chain, please send a message along with your order. We offer chain length up to 24'' Custom images are also welcome upon your request.