Water tight roll closure with self-fastening webbing and quick release buckles. Securely mounts using 4 custom aluminium G-Hooks and webbing straps. With Tri-Max 1680D ballistic nylon bottom panel for durability and comfort when used as a backpack. 100% waterproof with heat welded seams. Made from UV coated waterproof 15oz Tarpaulin PVC. Measures 18” long x 8” diameter. Approximately 15 Liter.