Perfect fit blinds are a great solution when dressing a conservatory or indeed any UPVC window. They work by simply clipping into the beading which runs around the inside of the window. This means the product has the following unique features: ---No drilling required to fit these blinds meaning they can be fitted in minutes and won't damage your new conservatory. ---When fitted to doors as it is attached you can still operate the door fully. ---Child safe as there are no hanging cords. ---Easy to remove for cleaning ---Leaves your window sills clutter free ---Wide selection of colours to choose from ---Made with 25mm wide aluminium slats ---Max Width: 130cm, Max Drop: 200cm ---Min Width: 26.3cm, Min Drop: 20cm Please be aware that because this product is made to measure it is not returnable if you order the wrong size.