Ultralight hiking storage sacks in assorted sizes and models in a coated ultralight Tyvek material. All you need is a place for your stuff. Here are several ultralight products from reinforced Tyvek material to help you organize and access your stuff wherever you may be. Use the zipper Ditty for your first aid, cooking or personal items. The Stake bag is long enough to fit almost any stake and has a reinforced bottom for durability and will also easily fit glasses or other long-ish items.