The Stuff Sack is made from a durable 70D Nylon and is the perfect solution for organized modular packing on any adventure. A white interior coating helps to shed moisture and makes finding your contents easy and the unique tear-proof drawcord top opening is a cinch to use. Available in three colors for optimum color coding and organization of your gear. These tough Nylon Stuff Sacks do not have taped seams or a roll-top closure; so they are water resistant rather than waterproof. Made of tough 70D polyurethane coated Nylon Unique tear-proof drawcord throat design 2,000mm hydrostatic head All stress points bar tacked & fabric edges overlocked Note: seams are not tape-sealed; therefore this product is not waterproof - only water resistant What this bag could hold 2.5 liter: snacks, wallet & keys4 liter: a shell jacket or lightly insulated jacket6.5 liter: essentials: gloves, a warm hat, a headlamp, a dry base layer9 liter: a warmer puffy jacket15 liter: up to five days’ worth of food (for storage in your backpack)20 liter: a tent canopy (for storage in your backpack)30 liter: food, toiletries etc when used as a ‘critter bag’