3 ms·Good quality DVD, in tyvek sleeves, with copious amounts of PAR2 data, in multiple places.by DanBC 6y agoGood quality DVD, in tyvek sleeves, with copious amounts of PAR2 data, in multiple places.Hamuko 6y agoWhy tyvek sleeves in particular?DanBC 6y agoIt's easier to find tyvek sleeves that are sold as being suitable for archive purposes.