This mat and tray system gives dogs a place to relieve themselves when they can't go outside. This mat is made of an odor resistant artificial turf that gives off an organic scent, attracting dogs so they can be taught quickly that it is an acceptable spot for relief. The mat sits on top of a plastic insert which allows liquid to drain into the included locking tray for easy clean up.. 18 in. L x 13 in. W x 2.13 in. H. Weight: 4.5 lbs..For your small pets