This is a partial roll of Farrow & Ball's Yuklutori's Navy Blue wallpaper. 
Although called Navy Blue, the background is closer to a medium slate blue, with pale aqua birds 

Width - 53 cm, (20-3/4in)
PARTIAL Roll Length - 7.3 m (24 ft). 
Pattern Repeat - 61 cm (24 in)

<factory full roll would measure 10.5 m>

Washable/Spongeable
Stain Resistant
Unpasted