Domestic Office Retractable Trellis GrillsThese stylish powder coated white retractable security grilles are perfect to secure your windows and doors at home or in your office without feeling imprisoned. When open they retract into a small sash at the side of your window and when closed they have a lattice style that blends perfectly into your window to provide protection and style. These window grills are very secure, insurance rated and will give you peace of mind when you’re away from your premises or at night whilst sleeping.