The Rentokil Rat Cage Trap is a wire cage trap for catching rats and small mammals alive. They can be released elsewhere after capture. The trap is poison-free, meaning that it is ideal for use where other animals may get caught or children and pets are present. The cage trap is strong and sturdy and is easy to bait and set. Where to use This product can be used indoors or outdoors. Place trap on a flat surface where possible, near to where rats have been seen.