1.durable iron wire with multi-colored spray paint 2.non-easy fade 3. anti-Corrosion 4. plastic bottom specification1.nock-down design, 2.it assembles easily ,quick assembly without nuts, bolts or screws3.Some different colors for choice 4. surface treatment:Electro galvanized 5)color :blue ,white ,and yellow . 6)Advantages: easy to carry, easy to clean7)we also can product the cages as your need ...