Cow Mats: Naturally comfortable! Your benefits at a glance: 3/4" thick. 35% softer than concrete Absolutely waterproof Textured non-slip surface: Reduces the risk of cuts and bruises to legs and joints Grooved underside: For moisture elimination and  aeration 10 year warranty if installed properly, warranty is void if mat is not properly installed, damaged by willful abuse, or if used for horses.