The synthetic grass is designed especially for dogs and the antimicrobial blend helps fight odors, creating a safer, cleaner environment. The porous backing provides for instant drainage of waste. The plastic receptacle will hold almost 2 gallons of liquids. Remove any solid waste from grass. Remove Pup-Grass from grate and tray, empty any liquid material. Put grate back in tray and rinse thoroughly with water. We recommend using a Stain and Odor Eliminator. Soak mat for approximately 3 minutes and rinse with clean water. Hang mat to allow water to drain off quickly or place in dryer on air cycle for 5 minutes.