... no frame and side,middle-open,no deformation and crease-resistant,saving source, protect enviroment,easy to make and take, easy ... auto-closing,durable,washable and pleasing look....5 DIFFERENCES BETWEEN MESH SCREEN DOORS A: we use pairs of small square magnets ... THUMBTACKS THROUGH THE LEFT, RIGHT,AND UPPER MARGINS OF THE MESH ON THE DOOR FRAME4. FOR PLASTIC DOORFRAME AND ALUMINIUM DOORFRAME ...