A similar deal was posted a few weeks back when these glasses were buy 1 get 1 free ..... now buy 1 get 2 free.
Add 3 pairs of bench glasses, and choose lenses, then enter "52bel" in the promotion code box, and 3 pairs of glasses for £39!
Just ordered 3 pairs myself
also i got an email after i finished my order saying:
" Just a quick email to advise that we also have a special offer currently available for the ANTI-REFLECTION AND SCRATCH RESISTANT COATING. The coating is usually £19.00 per frames however for a limited period only we are offering both coatings as a BUY ONE GET TWO FREE"
Incase anyone is interested in that im sure you could request ^