These mats are said to be the revolutionary super grip adhesive mats as they provide firm grip which will avoid spilling of liquids. After using it when you remove by gently pulling them from the edge, no residue will be seen on the surface. They are easily washable and non-toxic; you can wash them in the dish washer for keeping them clean. The extreme grip mats by Tenura are available in two color variants i.e. clear and green. It creates a strong tacky surface which will help to prevent all movement and it is ideal for high movement areas such as motorhomes, cars or Boat interiors.