Waterproof blanket is a new type of synthetic composite material. This composite material can be waterproof, can be used at home, and can also be used to make waterproof rolls. Waterproof blankets have excellent anti-seepage performance and are mainly used for waterproofing. It can be laid in areas prone to water leakage and can be used as a waterproof layer in civil engineering. Waterproof blankets are mainly made of geotextile, which can be reinforced and filtered, and can be isolated and protected