Window Insect Screen 180x150 black Insect protection net { flies, mosquitoes, moths and running insects}. Self-adhesive tape with Velcro included for easy installation and disassembly. Suitable for all types of PVC, aluminium, wood windows. Installation method: After opening the window, clean the frame { preferably with alcohol } Glue the tape to the window frame Leave for about 2 hours Attach the net to the frame If necessary, cut off excess mesh