The popular saddle bag l shines like a star under your saddle the bags entire surface is reflective giving you a crucial degree of added safety by increasing your visibility in the headlights of passing cars with its 27l capacity the largest of the ortlieb saddle bags offers you plenty of space for a spare tube a tool kit a rain jacket and light refreshments waterproof saddle bag for mountain road or touring bikes pvc free reflective fabric increased visibility when hit by headlights due