This Single-Door Trap eliminates dangerous traps that can accidentally harm children and pets. Easy to bait, set and release trapped animals without harm. The animal walks in unsuspectingly, the end shuts and the animal is caught unhurt. Check with your local wildlife office for pertinent laws and permits. Reusable for years of pest control. Delivered fully assembled. Measures 18"L x 5"W x 5"H. Mesh is 1/2" x 1". 16-gauge galvanized steel. Weighs 4 lb.