Mobile phone holder for shoulder strap

The Ortlieb mobile phone holder adapts to the mobile phone size like a tailor-made suit. The holder is simply looped onto the strap of the shoulder strap (50 mm strap width). The mobile phone is quickly accessible via the Velcro fastener.
 
Details:
Rear tunnel for looping on straps (50 mm).
Compressible and adjustable to fit different phones.
Velcro.
 
Weight: about 40g