ROCKBROS Bike Rear Rack Pannier Bag Waterproof Seat with Shoulder Strap Trunk Pack Bicycle Double Panniers Rainproof Cover 10 35L Black

☆LARGE CAPACITY: This bicycle trunk bag comes with one main compartment, two extensible side pockets and one water bottle pocket in the back. The two side panniers and expanded top offer additional storage space to stock anything you want in your long trips. Capacity before enlargement: 10L; Capacity after enlargement: 35L. ☆HUMANIZED DESIGN: The divide space for the main compartment of pannier bag keep your camera or phones separate from other sharp items like keys or bike tools. And the main compartment is padded all around to make your belongings well protected. ☆EASY TO INSTALL: With Hook and loop quick release design, 2 in front attached around seat post and 2 underneath attach around your bike rack. There is a bungee cords on the top of trunk bag which can be easily put in or take out your items like a rain jacket, gloves, umbrella, repair items, tripod, etc. ☆MULTI-PURPOSE DESIGN: This rear carrier bag comes with an adjustable padded shoulder strap, you can carry this shoulder bag everywhere with you, perfect for outdoor hiking, picnic with friends or commuting to work or school. ☆WATERPROOF: The bike bag is waterproof before expansion, and we also offer the rain cover for the side bags. Resistant to mud, the surface is easy to clean with damp cloth. The bag is secured by 4 straps for stability. Compatible: It easy install and almost fits all bicycle, road bike, mountain bike, electronic bike etc.