Use Dawn (the original blue stuff, nothing else) soap and some warm water. All plastic should be washed not just let to air out. 99.9% of plastics from the factory come with a film that needs to be washed off.
x2
ive been instructed to do the same
1.1 Het Albino BP 1.0 Banded king 1.1 Amelanistic Het Anerythristic Corns 1.1 Het Albino Western Hognose 0.1 Garter