UNUNS Bike Rear Rack Bag,Waterproof 27L Luggage Bicycle Rack Rear Carrier Bag With Rain Cover,Bike Trunk Bag,Bike Accessories Back Seat Storage Pouch For Cycling Traveling Commuting Camping

Meticulous Care For Each Details
The four walls of bike rear seat bag adopts thicken design which could provide a cushion to reduce shock when riding on road. Reflective strap for improved visibility and safe riding at night.
2 adjustable Velcro straps and 2 fixed buckles ensure stability, also make it easy to be installed and unloaded in seconds.
When you need more capacity, the side compartment of bike trunk bag can be expanded into a bike rack bag with two side pockets.
After the expansion, 27L large capacity can accommodate your riding jacket, raincoat, tools, tire pump and other daily necessities.
This bike saddle bag fit most of road or mountain bikes' racks, such as mountain bike, cruiser bike, e-bike, etc.

Installation Tips
1.Open the Velcro spring.
2.Pass the Velcro through the buckle.
3.Adjust the elasticity and stick the Velcro firmly.
4.Fix the other side in turn.

• 🚴【Permium Material】Our bike rear rack bag is made of 600D polyester fabric, which is durable, tear-resistant, abrasion-resistant and heat-resistant. Built-in rigid foam insulation to keep the shape, fully protect your items.
• 🚴【Expandable Space】After the expansion, 27L large capacity can accommodate your riding jacket, raincoat, tools, tire pump and other daily necessities. When you need more capacity, the side compartment can be expanded.
• 🚴【Higher Stability & Safety】The four walls of bike rear seat bag adopts thicken design which could provide a cushion to reduce shock when riding on road. Reflective strap for improved visibility and safe riding at night.
• 🚴【Multi-Function】Removable, adjustable shoulder strap for easy carrying. Light and practical, it can be used as a luggage bicycle rack rear carrier bag, a shopping bag and shoulder bag with an adjustable shoulder strap.
• 🚴【Easy to Use】2 adjustable Velcro straps and 2 fixed buckles ensure stability, also make it easy to be installed and unloaded in seconds. Fit most of road or mountain bikes' racks, like mountain bike, cruiser bike, e-bike.