Junyo Electronic Safe Pet Trainning Extension 30*16 Inch Shock Mat For Trainning Indoor Dogs and Cats Touch-sensitive Training Mat Conditions Pets to Avoid Prohibited Areas Measures 30 by 16 inches; Quickly discourages pets from developing bad habits Uses Harmless, Low-power Eelectronic Pulses Similar to Static Electricity Made From Clear Flexible Vinyl; Contours to Surfaces and Rolls For Storage Three eEasy To Use Training Options (Tone + Static Stimulation, Static Stimulation Only, Tone Only)