50 envelopes along for 15, - Euro with the bold statement "TRANSPARENT C6 covers 50 pieces - high quality - white / transparent with release strips - only 22 cents / unit" are misleading. Or the demanded price is wrong.
At 50 envelopes for 15, - Euro 30 cents per envelope are due, sometimes just 36% more .......
Whoever those "deals" abmahnt, will rejoice at the stupidity or the audacity of the provider.