It's the same colour as a block of Cadbury chocolate, so that's a good start. It's a big thick hairy fuzz, with a dial-it-in  switchable sub octave for mammoth tones. Absolutely bang on for huge stoner riffs or the nastiest blues 

Model: Electro-Harmonix Germanium 4 Big Muff
Made: NYC USA, 2017 (serial 201710246006)
Type: fuzz/overdrive
Power: standard 9v power supply (not included)
Equivalent new street price (approx): $275aud
Mods: velcro attached
Accessories: original box and manual
Condition notes: used, few minor marks, very good condition