Rapid Expansion & Protection: Our flood barrier can rapidly expand to 3–4 in / 76.20–101.6 mm upon activation, forming a strong and reliable barrier against flooding to protect your home and belongingsSuperior Absorption & Sealing: The flood bags feature superabsorbent gel that expands 58x its weight, ensuring superior water blockage and a tight seal under pressureQuick and Easy Deployment: Simply place, activate with water, and this water barrier expands in 10 minutes. Ideal for emergency storm protectionReinforced & Durable Design: Reinforced stitching along the edges enhances durability and avoids tearing, unlike traditional sandbags that easily breakUsage Notes: This flood water barrier is not suitable for use with salt water, lime, or calcium, as these may cause reactions and affect performance