Velcro frame, durable and tough mesh, easy to install and remove, no harm to your door frame, reusable for next and next summer. Size 36"X83"(90x210CM),fits all doors up to 34"X82" (86x208CM), measure your door first. 12 pairs of repeatedly tested appropriate strength magnet bars stitched in to keep the screen doors close tightly and easy open hands free and by dogs or cats. Keep bugs out, let wind in and fresh air flow. Pets enter and exit freely. MONEYBACK GUARANTEE: We always stand by our products, anytime you are not satisfied with our product, contact us for replacement or full money refund, we pay the extra shipping fee. Trust us, you buy the $29.99 quality mesh screen door at $19.99 price.