The City Silhouettes come in three sizes:Small: 60 cm x 8.5 cm – 23.6 in x 3.3in.Medium: 90 cm x 12.75 cm – 35.43 in x 5.02 in.Large: 120 cm x 17 cm – 47.25 in x 6.7 in.All skylines come with pre-cut holes and matching nails for easy assemble. Scan the QR code on your skyline for further instructions.