Specification Brand : Roswheel BulletPoint1 : MATERIALS: made of TEAR RESISTANT JACQUARD NYLON, double layer WATER PROOF TPU as lining, built in PE BOARD strengthen bottom. BulletPoint2 : ADJUSTABLE HIGH CAPACITY: capacity could be adjusted from 3L to 10L (1-2.6 gallons) by rolling bag top. The volume is almost as a small size rack bag. NO BIKE RACK IS NO MORE A PROBLEM! It can hold what you need. ONE BAG IS ENOUGH! BulletPoint3 : EASY INSTALLATION & UNIVERSAL FIT: using one widen VELCRO STRAP attach to seat post and two solid SNAP-ON BUCKLES under bike saddle. Compatible with almost all kinds of bike saddle and seat post. BulletPoint4 : WATERPROOF: made of waterproof fabric and built-in all weather lining material in all hidden compartments, guarantee 100% waterproof. Under certain circumstances it can be used as a water bucket. BulletPoint5 : SAFETY ENHENCE: big REFLECTIVE PADS on both side and in front of bag, MULTIPLE POSTION taillight loops for better visibility in dark or reduced light. Capacity : 10 liters Color : Black CompatibleWithVehicleType : Bicycle CompatibleWithVehicleType1 : Bicycle CompatibleWithVehicleType2 : As picture shows ContainsLiquidContents : 1 CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier : 8716683131024 ExternallyAssignedProductIdentifier1 : 6920636723088 ExternallyAssignedProductIdentifier2 : 06920636723088 ExternallyAssignedProductIdentifier3 : 00768686167768 GpsrSafetyAttestation : 1 Ingredients : Bicycle Dry Weather Lube: Wax-based formula with biodegradable ingredients and plant-derived components, designed for dry conditions. ItemDisplayDimensions_Length : 14 inches ItemDisplayVolume : 1.12 liters ItemDisplayWeight : 1.35 pounds ItemForm : Jelly ItemName : Roswheel ATTACK Series 131372 Waterproof 3-10 Liters Capacity Cycling Accessories Bag Bike Saddle Bag Bicycle Seat Pack Cycling Tail Pouch ItemPackageDimensions_Height : 34.4 centimeters ItemPackageDimensions_Length : 14.3 centimeters ItemPackageDimensions_Width : 29.6 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : bike-seat-packs ItemVolume : 37.8 fluid_ounces LiquidVolume : 4 fluid_ounces Manufacturer : Roswheel Bike Co., Ltd. Material : Nylon ModelName : 131372 ModelNumber : 131372 MountingType : Seat Mount NumberOfBoxes : 1 NumberOfCompartments : 1 NumberOfItems : 1 PackageLevel : unit PartNumber : 131372 Pattern : Solid PocketDescription : Zipper pocket ProductDescription : Depth: 4.7 inches (12 cm); Steel; 11.8 oz (330 g); Capacity: 22.0 lbs (10 kg); Compatible Bag: Junior/Pendor Barley; For saddles with saddle loops, attach the bag to the rack, hook it to the saddle loop, and secure it to the seat post with the included and belt. ProductSiteLaunchDate : 2017-02-01T08:00:01.000Z Scent : Unscented ShellType : Soft Size : One Size SpecificUsesForProduct : Nano Tech Bike Cleaner: Use for cleaning bike frames, components, seals, disc brake rotors, cables, brake pads, and anodised metal surfaces. StrapType : Adjustable StreetDate : 2017-02-01T00:00:01Z Style : Sports SupplierDeclaredDgHzRegulation : not_applicable TeamName : 10 UnitCount : 1 UnspscCode : 25170000