1.EVA/TPU 3D Molding Hard Shell - Resists deformation, impacts, wrinkles, and abrasion. Perfect for protecting phones, tools, or snacks during rides. 2.Universal Adjustable Buckle (30-55mm Tube) - Fits scooters, bicycles, balance bikes, etc. Height-adjustable design avoids blocking headlights. 3.Dual Anti-Theft Design - Quick-release bracket with internal screw lock to disable quick release when needed, plus external combination lock for privacy. 4.Built-in Carry Handle & Tool-Free Removal - Detaches in seconds for handheld use, no velcro needed, saves handlebar space. 51L/2.8L/4.5L Sizes with Internal Dividers - Organizes essentials like water bottles, repair kits, or snacks. TPU lining for light rain. 1.EVA/TPU 3D Molding Hard Shell - Resists deformation, impacts, wrinkles, and abrasion. Perfect for protecting phones, tools, or snacks during rides.<br> 2.Universal Adjustable Buckle (30-55mm Tube) - Fits scooters, bicycles, balance bikes, etc. Height-adjustable design avoids blocking headlights.<br> 3.Dual Anti-Theft Design - Quick-release bracket with internal screw lock to disable quick release when needed, plus external combination lock for privacy.<br> 4.Built-in Carry Handle & Tool-Free Removal - Detaches in seconds for handheld use, no velcro needed, saves handlebar space.<br> 51L/2.8L/4.5L Sizes with Internal Dividers - Organizes essentials like water bottles, repair kits, or snacks. TPU lining for light rain.<br> UPC 674012855455 Size 4.5L Color Black Capacity 4.5 Liters Brand Name WILD MAN Shell Type Hard Strap Type Adjustable Style Name Practical, Functional Unit Count 1 Count Handle Type Handle Item Weight 1.6 Pounds Closure Type Buckle Manufacturer GD99X Material Type Polyester Mounting Type Handlebar Mount Included Components Bag Compatible with Vehicle Type Scooter