Upgrade Pet Screen Door: Made of thickened heavy-duty vinyl-coated steel wire with nanotechnology to make it resistant to cat scratches, softer and more durable than ordinary fiberglass screen material. SCREEN DOOR SIZE: 90 x 210 cm / 35 x 82 inch， Applicable to inner frame width: ≤ 89 cm / inner frame height: ≤ 192 cm. A screen size that is one circle larger than the door size is generally recommended for optimal use. EASY INSTALLATION AND REMOVAL: Pet scratch proof screen installation very easy without any tools. Simply peel the adhesive off the hook strip and attach to the door frame. Then hold the mesh door to the frame. ZIPPER SCREEN DOOR: Our cat-resistant screen door has double zipper inside and outside, it can effectively prevent cat or dog from running out of the room, and keep pets fresh air in the house at all times and prevent annoying creatures from entering PACKAGE INCLUDED: Our roll pet safe door protector with mounting hooks and premium adhesive tapes in the accessory, which is very sticky and strong, can be used for different doors: Door, Bedroom, Front, Back, Patio., Manufacturer: seamtop