Keep your pet safe and secure in your yard with the PetSafe 1/2-Acre Radius Wireless Pet Containment System. 1/2-Acre radius gives you pet plenty of room to roam about. If your pet gets too close to the coverage area boundary， a sound signals to inform your pet. If your pet ignores the sound， they will receive a mild static correction to encourage them to stay within the boundaries. Give your pet that same cool experience with this dog cooling mat， made from soft， puncture-resistant gel， this dog mat is comfortable for your dog or cat and helps keep them cool. Simply lay out this pet mat to give your pet instant cooling relief. With our unique gel material， this cooling dog bed recharges automatically in as little as 15 minutes. This pet cooling mat powerful internal gel offers cooling for up to 3 hours. A of the best items you can add to your dog beds & furniture.