Wolfman Rollie Dry Bags Wolfman Rolie Bags offer superior protection against the elements and allow you to carry the gear you need the way you like to carry it. Using different mounting options, the Rolie Bag you use as a tail bag today can be mounted on your tank tomorrow. Or used as one of a pair of saddle bags. Same bag. Multi-function. Waterproof Durable waterproof vinyl that resists abrasion Radio-frequency welded seams - no leaking through stitching Roll-top closure with no-wick webbing - what goes in dry stays dry Waterproof, dust-proof, sand-proof, mud-proof Superior Construction Universal Mounting Patch for a wide array of mounting options Non-skid, non-scratch pads protect your bike and your luggage from vibration abrasion Mounting straps are easily replaceable if they become worn or damaged Versatile - Rolie Bags can be used as Tail Bags Rack Bags Saddle Bags Tank Mount Tank Panniers Small Rolie Bag Specifications Capacity 4.5 liters or 275 cu.in. Opening 4 x 7 Approximate rolled Height 10.5 Medium Rolie Bag Specifications Capacity 8.5 liters or 518 cu.in. Opening 5 x 9 Approximate rolled Height 11.5 Large 2012 Version Rolie Bag Specifications Capacity 12.5 liters or 762 cu.in. Opening 6.25 x 10.5 Approximate rolled Height 13 New for 2012, Large Rolie Bags have been updated and now allow a simpler method to mount them as tank panniers using the Wolfman Rolie Tank Pannier Kit All Rolie Bags come with basic mounting straps - suitable for use as a Seat of Rack Bag. Add capacity by stacking a Small Rolie Bag on top of a Large Rolie Bag. Note Some images show bags mounted with various accessories (sold separately).