Dog Training Box Toilet . The Potty Trainer mat and stray system gives dogs a place to relieve themselves when they cannot get outside. The ingenious mat is made from an antimicrobial and odor resistant artificial turf that gives off an organic scent. This attract dogs to it so they can be easily and quickly trained to relieve themselves on the Potty Trainer. The mat sits on top of a plastic insert which allows liquid to drink into the included locking trap for easy clean up.