Item Type: Flood Barriers Material: Organic Silicone Size: Approx. 30x75cm /11.81x29.52in ( 3CM / 1.18in error) Usage Scenarios: Set up storm, flood and hurricane barriers at house doors and windows, garden doors, garage entrances, and basement skylights. Weight: Approx. 710g / 1.56lb Package List 5 x Flood Barriers Please allow slight error due to manual measurement. Thanks for your understanding. 1Reliable Protection: These flood barriers are designed to be reusable, providing long lasting and effective flood protection for your home. 2Convenient Zippered: The prevention bags feature a zippered opening, allowing for easy filling and emptying, giving you flexibility and efficiency in flood prevention. 3Easy Setup: Designed for easy operation and convenience. Water barrier require sand to expand. Anyone can quickly set up these barriers to create a secure and watertight perimeter. 4High Durability: Made from premium organic silicone materials, these bags are strong and durable, ensuring they can withstand the pressure of floodwaters. 5Thickened Design: The flood bags are thick and tough, able to bend to any area that requires waterproofing. Once filled with sand, they create a robust barrier.