Waterproof Chest Pack for Camping Running Fly Fishing Adjustable

This waterproof chest pack is designed for camping, running, fly fishing, and wading. It is made of oxford fabric and is adjustable. The brand is none, model number YX202680. It is a cross-border e-commerce exclusive supply, primarily sold in other regions. It is not IP licensed and has no patent. It is not waterproof? Actually, it is waterproof. It is listed on other platforms.