Agate Slices: You will receive 30 pieces of agate slices in a variety of colors like blue, rose, and white. Size: The agate slices measure approximately 2-3 inches in length and 0.2 inches in thickness. Natural Stone: The agate slices are cut from natural stones, each one unique with slight variations in color. Dyed Colors: Some agate slices have dyed colors like blue, while others have natural white or grey colors. Not Coasters: The agate slices are mostly oblong in shape, making them unsuitable for use as coasters.