VEVOR Flood Barriers, Water Flood Dam Bags 10 Pack, Water Barriers for Flooding with Plastic Bucket, Water Activated Flood Barriers for Home, Doorway, Driveway(1530 x155 mm)

This is a one-time use product. And it can be used for about 3 months. After use, please put the product in a dry environment and out of sunlight. During this period, it's recommended to water several times to maintain the effect. However, the effect is best the first time it is used, and then gradually decreases.