This flood prevention life jacket is made of 200D Oxford polyester fabric with polyethylene foam buoyancy material, providing ≥8.5kg buoyancy. Measuring 65×50cm, it fits most adults. Featuring 6 evenly distributed reflective patches and an emergency whistle, it's specifically designed for maritime storms, floods, and earthquake-induced water disasters. The orange/green design ensures high visibility during water rescue operations. Professional teams can customize specifications, markings, and special features according to their requirements.