My Bike Shop SG - Ortlieb Back Roller 20L rear pannier bag (2 pcs). Made in Germany. Only 1 pair at S$130 (U.P. $265). Only available at: My Bike Shop Too –
Amazon.com : Ortlieb Back-Roller Classic, Yellow/Black, 42 x 23/32 x 17 cm/20 Litre : Sports & Outdoors