Beyerdynamic 907003 (EDT100S) is a PAIR of ‘soft skin’ replacement earpads to suit DT108 or DT109 headsets, or DT100 / DT102 studio headphones.
This genuine Beyerdynamic spare part is the ‘original issue’ you’d find on a brand new DT109 headset.
If you’re looking for something a little different, check out the ‘plush’ version here (EDT 100P)
Beyer EDT100S (part number 907003) is a PAIR, and includes the inner foam pads, as pictured.