These Ashler Patterns are made up of random sized pieces of slate and stone and are suitable for both commercial and residential applications. They have a limited lifetime warranty. All mats are made in the USA. Many stamp mats are available in 3 stone layouts, MMB (Blue), MMR (Red), MMY (Yellow), and all have a superflex and a touch-up mat. The different layouts help to keep the job from looking "cookie-cutter". The texture is the same, but the size of the stones and the layout vary from mat to mat. The hard mats are rigid and are for the open areas. The superflex is used against walls, poles, etc and are very flexible. The touch-up mat is used directly against walls, etc where even a superflex can't reach. Check the touch-up mat section for the proper textured touch-up mat for the pattern you are interested in. A proper set of stamps should include even amounts of each stone layout, at least 1 superflex, 1 touch-up mat, 1 tamper, a grout line roller, and grout line tools for that pattern.