Material: PVA waterproof fabric. Theme: sports features: water absorption, heat dissipation, cooling, environmentally friendly, recycling to use. Model number: cooling vest Features: 1. Made of high-quality waterproof PVA fabric, which is sturdy, durable and abrasion resistant. 2. Immerse the fabric in room temperature water for 5 minutes so that it can fully absorb it. Wring out the clothes with force and you can wear them immediately. 3 Reduces skin temperature while maintaining core temperature. 4 neckline enlarged design, sweaters are easier to wear and more stylish to wear. 5 Add the bag, it is easier to store and use things. 6. The adjustable nylon closure design ensures a comfortable fit for most straps. 7. Suitable for summer outdoor fishing, camping, hiking, cycling or working. Box contents: 1 x summer cooling vest