The PVA water-soluble film fishing bait bag is a professional fishing aid developed by Zaozhuang Tianyao Starch Technology Co., Ltd., based on its proprietary PVA water-soluble film technology platform. The bait bag is primarily made of PVA (polyvinyl alcohol) water-soluble film and is specifically designed to encapsulate bait and attractants. When thrown into the water, the bag dissolves upon contact with water, dispersing the attractants precisely at the fishing spot. The fishing hook is then buried within the bait pile, ensuring that fish naturally ingest the hook when feeding, thereby achieving accurate hooking.