Keep your vulnerable essentials safe from water and moisture with this handy Lezyne Caddy Sack. It is made from PVC, with welded seams and a rolled closure with Velcro.  All this makes for an extremely water resistant sack, protecting from pretty much everything short of full submersion in a river.  If you're submerged in a river, you've got other things to worry about too! It is ideal for your smartphone and wallet - especially if you are lucky enough to have a wad of paper in it.  The opening is wide to make it easy to find anything inside.Weight: S 30g , M 50g Dimensions: S 145x110mm , M 180x130mm Capacity: S 27.5in³ , 0.45L / M42.7.4in³ , 0.70L