The altura dryline 32 pannier bag is ideal for the classic cyclist that wants a classic pannier with updated features to ensure their belongings are kept safe and dry on the ride the pannier is made from waterproof and patented dryline material that keeps water out whilst being stronf and durable to meet the demands of the 32 litre capacity the altura pannier bag also uses the rixen kaul kick fit fittings which allow you to mount this pannier easily and securely on to the bike with little effo