Dis bia keg , we na kɔntena fɔ pak tin dɛn we dɛn mek wit ay-baria aktif matirial dɛn, de gi fayn fayn protɛkshɔn. I kin blok di briz we de na do ɛn di UV rayt dɛn fayn fayn wan, ɛn dis kin mek di bia kɔntinyu fɔ fresh fɔ lɔng tɛm. Ivin afta dɛn dɔn ful-ɔp am, as lɔng as i nɔ opin, di bia kin de fayn fayn wan.