This ultra lightweight is perfect for use inside non waterproof bags offering protection to you kit the valve and straps make it even easier to compress your load and make the most of the space you have making this dry bag ideal for sleeping bags and clothesbuckles and a broad base loop allow for easy fixation the base loop also helps with unpacking the bagmaterial ps 10ps 17height 27 cmcircumference 55 cmdiameter 175 cmweight 122 gvolume 7 lnote roll closure at least 4 to 5 times