Specification: the net size is 1.5 x 1.3 m, the Velcro size is 0.6 x 560 cm, invisible colour: white. Package contents: 3 x window nets, 4 rolls of self-adhesive tape Easy to install and remove, the B nders are self-adhesive, it is convenient to peel off the paper and stick it to the clean window frame and easy to remove when you need to open or close windows. Simply cut to the appropriate size: The fastening tape and the flexible net can be cut to size. Environmentally friendly insect screen for windows provides good protection against flies, mosquitoes or other insects. This fly screen set can also keep air circulation and fresh air. Washable and reusable, the net is made of Dacron, is easy to wash and can be reused.