I had to replace my FP2 for a FP4. Therefor I got a (belt)case for sale. Made from old firehoses, very robust.
Colour: red with a faded black print -37
Outside dimensions (HxWxD): 17.0 cm x 10.2 cm x 0.8 cm
max. smartphone dimensions (HxW): 15.5 cm x 8.5 cm
Weight: 90 g