a new concept of environmental protection packing material, the advantages of packing with water-soluble films: water soluble and biodegradable; Safe handling and avoid dust inhalation; No contamination; Accurate pre-measured unit dosage; Packaging super-concentrates reduce freight cost and save torage space,Environmental friendly; Dissolves quickly in water; High tensile strength; Abrasion, tare and puncture resistant; Nontoxic; Solvent resistant; Gas barrier; Antistatic; Excellent sealing capabilities; Printable; Cold crack resistance.The biggest haracteristic of water soluble is: it can be dissolving very soon. The dissolving time depends on thickness and water temperature.