Snake Sandbags Single Self-Fill Kit (3 Foot, Black) Made of CORDURA Nylon Lightweight - 3 Foot Snake Sandbags requires approximately 11 pounds of sand Durable -Tear-resistant with heavy-duty reinforced stitching Flexible - Bend in curves and around corners Kit contains: Snake Sandbag with Inner Liner, Bonding Adhesive Strips, and Instructions Made in U.S.A. - Finest Quality and Workmanship