Flexible Replacement Screen Door Kit (48" x 84") - Improvements by Improvements. $34.99. Easily replace your existing damaged screen with our flexible mesh screen. Durable, UV-resistant flexible mesh screen material bounces back from impact. Fits window and door frames. Includes special mounting corners. No special tools required for installation. This Flexible Replacement Screen is virtually kid-proof and accident-proof! Tired of kids and pet claw marks ruining you...