This is a  Professional Genuine Dumboog and was used in a family restuarant in the egities, it's in a emacculate condition as seen in the pictures. I beleive it's made from fish leather as I recall. 

Brand: SR
Type: Dumboog
Model: SR
MPN: Does Not Apply, 3040-S-K
Diameter: 30cm
EAN: 0090612041140