JXFUKAL Bike Bags for Bicycle Rear rack - 9.5L/17L/40L Hard Shell Waterproof Bike Ebike Trunk Pannier Saddle Seat Bag Carrier with Reflector Rain Cover & Shoulder Strap for Commuter Travel Outdoor

JXFUKAL rear bike rack bag has a large 40L expandable capacity that allows it to hold a lot of cycling essentials and gear. The adjustable dividers also allow customization of the interior space. Solid shape sturdy construction keeps the bike bag shape and protect the cycling belongs well. Portable design convenience your travel life. Easy to install and remove. The reflective design on three sides increases nighttime visibility making you cycling safer. Adjustable straps make it fit on most bike racks.