Product Specifications: Brand: ROCKBROS Product: Pannier Bag Material: Polyethylene + Non-Woven Fabric (Breathable Liner) Capacity: 12 Liters Weight: 1044 g Color: Black-Green Features: Polyethylene Material & Durable Design: Combines a breathable liner with recycled tire rubber. Offers splash resistance, breathability, and tear resistance. Each bag retains the unique texture of the tire rubber, making it distinct and individual. Quick-Release System for Versatile Use: Features a hidden quick-release buckle for easy mounting on any bicycle rear rack. With the included shoulder strap, it converts into a backpack, tote bag, or travel bag. Ideal for bike touring, commuting, and travel. Thoughtful Compartments & Generous Storage: 12-liter main compartment includes a padded sleeve for a laptop and space for bike accessories. External side pocket provides quick access to a smartphone and keys. Easy Mounting & Smart Details: Three-step installation with a snap-lock system. Bottom reinforcement straps ensure stability. Hidden mounting hardware prevents scratches. Carrying handle made from tire rubber is soft and comfortable to grip. Safe & Practical in All Weather: Multi-sided reflective elements enhance safety at night. Metal eyelets improve ventilation and durability. Buckles designed for one-handed operation – efficient and practical.