Convenient Sports Backpack with Reflective Waterproof Zipper

This is what I understand from your message: You are looking for a small and convenient sports backpack that has a reflective waterproof zipper on the front and a mesh pocket on the left side. Here is a description of the backpack in English:

1.Compact and Convenient: The backpack is designed to be small and easy to carry around.
2.Reflective Waterproof Zipper: The front of the backpack features a reflective waterproof zipper that keeps your belongings safe and dry.
3.Mesh Pocket: The backpack has a mesh pocket on the left side that can be used to store a water bottle or other small items.