100% waterproof, roll top waterproof seal with buckle closure. Keeps your families gear dry at any activity. Shoulder strap with neoprene pad, side compression straps and handle. Class 3 waterproof with measurements of 25”l by 11”w by 18”h. Made with waterproof heavy duty non-breathable PVC material all seams are water-tight sealed using RF heat fusion and epoxy. Roll down enclosure for water tight seal.