Material: waterproof pvc. <br> Each pack totally includes 28pcs pvc material bats, 30cm x 7.5cm/each x 8 big bats , 20cm x 5cm/each x 8 medium bats and 12cm x 3cm/each x 8 small bats and 8cm x 2cm/each x 4 small bats. <br> Color: black <br> For use on smooth walls -- can also go on glass (inside only, not outside) <br> Packing: 28pcs bats in a poly bag<br>