Gefii(TM)Halloween Party 12pcs/pack Black/Luminous PVC 3D Decorative Bats Butterfly Removable Wall Sticker, Halloween eve decor (black) (6.29inches x 1.57 inches/each x 4 big bats , 5.7inches x 1.77inches/each x 4 medium bats and 4.52inches x 1.37inches/each x 4 small bats) Material: waterproof pvc Each pack totally includes 12pcs pvc material bats, 160mm x 40mm/each x 4 big bats , 145mm x 45mm/each x 4 medium bats and 115mm x 35mm/each x 4 small bats color: black For use on smooth walls -- can also go on glass (inside only, not outside) Packing: poly bag