Roll Top Dry bags for Rhino Tail Bags are available separately, made from high grade PU coated fabric, and seems are hot sealed with industrial PU tape, which makes it leak proof, to keep your stuff dry and make the bags 99.9% waterproof (when used with dry bags plus rain covers).
For both Mini and 70Ltrs tail bag, same dry bag can be used.
Colour may change depending on availability.