The simple shape has straight sides and flat surfaces both front and back.  This is a great canvas for a wide range of decorations.

The Tile is available in 5 sizes:

The Tile Trio contains 3 cavities that measure:

13mm x 7mm, 15mm x 7.5mm and 18mm x 8mm

The Tile Large measures:

24.5mm (1") x 8mm 

The Tile XLarge measures:

38mm (1.5") x 8mm

Fun Fact: This tools is a great companion for the Pillow. If you use the base of this tool with the top of the Pillow in coordinating sizes, you will make great flatback Pillows!