Thickened Canvas Material: Those rain wind flood barriers are made of thickened canvas with a thickness of about 0.48mm, which are sturdy, abrasion-resistant, tear-resistant, nice toughness, , good waterproof, not fade, the height after filling with sand has a better waterproof treatment effect. Flexible Elastic Band: The opening of our canvas flood protection sand bags are designed with a bound elastic band, convenient, flexible and easy to use, just tighten the elastic band to prevent sand leakage after being filled with sand. Wide Application: The flood water barriers are suitable for all kinds of places that need flood control, such as house doors and , fences, gates, sewer entrances, parking lots, garden gates, elevator entrances, garage entrances, basement skylights, etc., which are strong barriers against heavy , floods and wind. Package Includes: You will receive 4pcs canvas sandbags, sufficient quantity and length for your waterproof treatment. You can also share our high-quality canvas flood protection sand bags to your relatives and friends for joint waterproofing. Colour:Green Material:Canvas Size:150x19cm(4.92FTx 7.5IN) Package Contents: 4x Long Canvas Sandbags(Sand Not include) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.