The standard silver screen is a fully constructed insect screen light metal frames (they can if mishandled dent or be bent) that slide outwards from each other to fill the space in a sash window, or other area. These are made in Italy.
Sizes and Colours? Silver frames are 40 (high) x 50cm wide and up to 92cm when full extended. Note that those measurements can be changed (height for width etc) if the clips are moved to the opposite sides.
Each profile of the silver frame is just 7mm wide and when the frames overlap in the middle then it is 15mm wide. The white frame is 10mm wide and 21mm when they overlap in the middle.

Easy to Fit? Yes see below. Ready to use right out of the box. The white kit can also be bought more cheaply as a kit so that you can make a bespoke size if you wish. Fitting instructions here.
Easy to Use? Yes. You simply insert the frames in the gap with the top and bottom channels in place. Once the window is pulled shut then the outer frames can be pushed outwards from the middle to cover the area. It can be installed in the top half or bottom of the sash window.
What you Get: A fully assembled silver system with two sliding frames in it. White system can be purchased fully assembled or as a kit. The white system also has brush at the top and bottom of each frame.
Suitable for? Domestic and commercial environments.
How are they Posted?: These products are sent by courier and will take 3 to 5 or more working days to reach you. Please contact us for delivery details. Buyers in Northern Ireland, Channel Islands, Isle of Wight, Scottish Highlands and Islands, there may be an extra charge. Eire will be more. See Postcode listing on the Delivery Information Page but if in doubt and if you live in any of these areas, Europe or the Rest of the World please contact us for a delivery quote.

Sash Window Set Silver 50 x 70 - 132cm £39.99 free postage
Buyers in Northern Ireland, Channel Islands, Isle of Wight, Scottish Highlands and Islands, there may be an extra charge. Eire will be more. See Postcode listing on the Delivery Information Page but if in doubt and if you live in any of these areas, Europe or the Rest of the World please contact us for a delivery quote. (NOTE THAT YOU MAY BE SUBJECT TO IMPORT DUTIES IN YOUR COUNTRY).