TPU; Polyamide; Polyester; Polypropylene SELF-STANDING: The rigid shape allows the bag to stay upright even when empty, making it incredibly easy to flake or feed rope into the bag. DURABLE & WATERPROOF: Made from high-strength TPU tarp fabric that is waterproof, abrasion-resistant, and UV-resistant for long-term outdoor durability. EASY ACCESS: Features a roll-top closure system that provides a wide opening for easy access while effectively sealing out moisture and dirt during transport. CARRY OPTIONS: Equipped with two large carry handles for hand transport and adjustable shoulder straps for comfortable backpack-style carrying. CAPACITY GUIDE: 15L holds ~45m of rope; 30L holds ~110m of rope; 45L holds ~185m of rope (based on standard 11mm diameter).