THREE LAYER SYSTEM: This dog grass pad encompasses a three-layer system that makes clean up effortless. The odor resistant mat sits on top of the plastic insert that locks in, and allows liquid to drain into the durable collection tray. ARTIFICIAL GRASS: High toughness artificial grass. The grass pee pads for dogs with trays are very durable and allow your dog to experience the joy of being outdoors. PET TRAINING: Perfect for owners that work long hours or live in apartments, and want to potty train their pets. This bathroom mat uncomplicates the process by offering a spot for your pets to relieve themselves indoors. EASY CLEAN-UP: Cleaning the fake grass for dogs is quick and easy. Clean-up consists only of rinsing the three layers with soapy water; Perfect for patios. ECO-FRIENDLY MATERIAL: Eco-friendly material, no odor and your dog can use it safely.