1.Sufficient quantity: The product includes 5 pieces Absorbent Flood Barriers Home Sandless Sand Bags , about 5 ft x 6.5 inch, can expand to 3 to 4 inches/ 7.6 to 10.2 cm in height when filled, which avoids the heavy trouble of carrying and filling standard sandbags; These water absorbent barriers are good enough for daily waterproof barriers' usage4.Widely Applicable and Household Necessities: the water barriers for flooding are indispensable home essentials that can be used to absorb, divert and block water。2.Safe and Reliable: the flood prevention barriers are mainly made of non woven fabric, thick, firm and not easy to wear; Do not need sand to fill, they will expand quickly when encountering water, which is convenient to use3.Strong Water Absorption: The water activated flood bag is highly absorbent and absorbs water quickly. It can grow to 10 cm (3 to 4 inches) in 5 minutes after absorbing water, this means the garage water barrier will be fully funcional very quickly. It's a very good sandbag alternatives for flooding5.Kind Note: please put the water activated and sandless sand bags in a dry place when not in use, because water will gradually evaporate and return to their original state, the flood bags will expand when it meets water again, but the effect may not be as good as before