This is a packet of 400 20mm vitreous tiles to add to your collection of mosaic bits and pieces. This auction has 4 colours. You will get 100 of each shade. Note the red, oranges and yellow are beautiful solid colours without bubbles and are dearer than the other colours.It is the reverse of the tiles that you see here. The top of the tiles is very smooth without bubbles.Just soak the sheets for a few minutes in warm water to remove them from the paper . These are perfect for doing Martin Cheek style mosaics as they require very little cutting. They can be easily cut with the wheeled mosaic cutters.