Let the Halloween Celebrations begin with Decorations! Start your Halloween Party off with a bang! and make your guests feel like they are in for a Real Haunting Event! Contains: Reusable Jack-O-Lantern Glass - Window Clings 12in. x 17in. Sheet Instructions: 1) Clean surface with a damp cloth. 2) Remove pre-cut Clings from backing. 3) Apply non-printed side to damp surface. 4) Press and smooth from center of Cling.