Bob's Quick Take: This Earth Pak roll-top dry bag is a practical way to keep phones, keys, clothes, snacks, and small trip essentials protected when water, rain, sand, or splashes show up uninvited. It is a strong fit for kayaking, beach days, campground weekends, road trips, and RV outings where a regular tote bag is just asking for trouble. The main caution is size selection: the 10L style is handy for essentials, but families or longer day trips may want to compare larger options before buying.