Feature: 1. REUSABLE: Flood prevention bags is a reusable family flood barrier, which can fully play its role and contribute to flood control. 2. DURABLE AND WATERPROOF: Water flood dam bags are made of 600D polyester material, which is durable, waterproof and safe to use. 3. SIMPLE OPERATION: Flood sandbags need sand to expand, which is simple to operate and convenient to use. Equipped with elastic band, which is designed at the opening. 4. GOOD TOUGHNESS: Flood prevention sandbags are designed with thickening and have good toughness. The lining is waterproof and durable. 5. CREATE A SAFE PLACE: After the flood control bags are filled with sand, they can be bent and applied to places that need waterproofing to create a safe place. Specification: Item Type: Flood Control Bags Material: 600D Polyester Specification: Approx. 30 x 70cm / 11.8 x 27.6in (3cm / 1.2in Error) Usage Scenario: Set Up Storm, Flood And Hurricane Barriers At The Doors And Window Of Houses, Garden Doors, Garage Entrances And Basement Skylights. Gross Weight: 1670g/58.9oz. Package List: 10 x Flood Control Bags Note: Manual cutting, 3 cm error