Badger's skin
In Numbers 4:6, 8, this signifies goods spiritual and natural. (Arcana Coelestia 296)
In Exodus 25, this signifies outward goods by which they are preserved. (Arcana Coelestia 9471)
In Exodus 26:14, this signifies a circuit from the truths which are from outward good. (Arcana Coelestia 9632)
In Ezekiel 16:10, this signifies to instruct in knowledges of good from the letter of the Word. (Apocalypse Explained 375[27])