100% Ostrich bone.
 
Simply air dried, not cooked, so won't splinter.
 
Product specification:
Composition
100% Ostrich
Constituents (per 100g)
Crude protein 26.7%
Crude oils and fats 17.2%
Crude fibre less than 2.6%
Crude ash 42.6%
Moisture 5.4%