material:1008 iron wire face coat:cold galvanizing size:13.8"×7"×6.5" weight:800g least amount:500pcs the rat trap cage is made of high quality 1008 steel through spot welding, electric welding knee bend craft manufacture.. the product design is reasonable,the size,the trap institution,the angle of the door is scientific.this kind of trap cage is humanistic design,the rat will not be hurt even to die,also the dead rat will not smears the environment.