Roll-Top Stuff Sacks, 10L. - Brand: HYPERLITE MOUNTAIN GEAR - Color: Gray - Type: Stuff Sack The following is a translation of the product description from the HP: Keep your gear dry and protected with an added barrier against moisture inside your pack. Whether you're trekking in a wet climate on the regular or just want the peace of mind for your essentials, our Roll-Top Stuff Sacks, made with Dyneema® Composite Fabric 1.3, are a game-changer. Available in six versatile sizes, they're perfect for everything from storing food to a full pack liner. While not a traditional dry bag, the roll-top design provides maximum water resistance without the added weight. Stay light, stay dry. Key Features: Versatile cylindrical design fits any pack configuration. Waterproof and taped seams keep contents dry and buoyant. Secure and reliable roll-top closure with side-release buckle.