[Comprehensive Set for Easy Installation]:This winter insulated window curtain set includes a thermal curtain,a roll of fastener,and a box of 20 thumbtacks [Convenient Design]:Featuring two black for buckle straps at the top,this thermal curtain allows you to easily roll up the cover and secure it in place.This design enables you to open your for windows without removing the entire cover [Premium Quality Materials]:Crafted with a three layer insulation design consisting of high density Oxford cloth,filling cotton,this Thermal Window Cover is reliable,and effectively retains heat,ideal for winter window coverage [Simple Installation Process]:The cold proof window kit is straight forward to install by aligning the fasteners next to your for windows with the corresponding cover positions [ Year Round]:The Winter Insulated Window Cover seals tightly around for windows to prevent indoor heat loss.It can also serve as an insulating curtain during summer month