A lint roller or lint brush can be used to removed surface dust and lint from the felt side of your game mat and keep it looking like new. For the rubber side, wiping with a damp paper towel or cloth will remove most dust and debris.If you spill liquid on your mat, immediately blot the spill with paper towels to remove most of the liquid.  ALWAYS BLOT, NEVER RUB! Our mats are made from flocked velvet. Rubbing the wet velvet surface will cause damage. To remove a stain from spilled liquid trying spraying the spot with water and blot with fresh paper towels. Repeat as necessary. Allow to air dry overnight before storing in the included tube.