my stickers are painted with pebeo window color & glass paint . They do not have a backing. You will put it on any flat surface ( they are especially made for glass, but they stick on fridges, tiles, doors & so on) as they are. Just rub it jently on the surface or add a drop of water. They stick on static electricity. wicoart HANDMADE STAINED GLASS EFFECT WINDOW CLING EASY TO APPLY & TO REMOVE HAND PAINTED WITH GALLERY GLASS & GLASS PAINT PEBEO ON AN ELECTROSTATIC VINYL SHEET . ALL MY CLINGS HAVE THE SIZE OF A4 PAPER, ABOUT 28 cm X 20 ONE OF A KIND OOAK TOUS MES WINDOW CLINGS SONT PEINTS PAR MOI MME AVEC DE LA PEINTURE POUR VITRES SUR UNE FEUILLE DE PAPIER LECTROSTATIQUE FORMAT A4 ET DCOUP A MESURE. ILS ONT TOUS ENVIRON LES DIMENSIONS DE 28X20 cm. ILS SONT UNIQUE. Dcorez vos vitres au fil des saison! Chacune de mes cration est unique, comme une peinture en miniature. ils serons source d’merveillement pour grand et petits. ils ne laissent aucune trace a part le sourire! Decorate your windows throughout the season! Each of my creations is unique, like a painting in miniature. they will be a source of wonder for young & old alike. they leave no trace, but a smile! Wicoart Sticker Window Cling Stained Glass Vitrail Art Nouveau Corner Lace