https://www.amazon.com/RockBros-Waterproof-Leather-Bicycle-Pannier/dp/B079M1RDJ8 is what I use on my bike but if you are on a budget I would suggest https://www.amazon.com/BV-Bike-Panniers-Adjustable-Hooks/dp/B0BSQGCR2B

ROCKBROS Bike Rack Bag

https://www.amazon.com/dp/B079M1RDJ8?psc=1&ref=ppx\_yo2ov\_dt\_b\_product\_details

A RockBros bag I got from Amazon and modified to work with the Juiced Relay Rack

non affiliated link: ROCKBROS Bike Rack Bag Trunk Bag Waterproof Carbon Leather Bicycle Rear Seat Cargo Bag Rear Pack Trunk Pannier Handbag https://www.amazon.com/dp/B079M1RDJ8/ref=cm_sw_r_apan_glt_fabc_K2NGF972JPR0F3JGV68W?_encoding=UTF8&psc=1