Are you looking for a professional, yet water cup storage bag for car seat back? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, our practical hanging bag must meet your needs. Adopted with durable oxford cloth material, practical and portable, will not take up too much space, with good load capacity. Features -Color: Black. -Material: Oxford cloth. -Size: About 21.00X11.00X11.00cm/8.25X4.32X4.32inch. -Manufactured with oxford cloth material, it is durable and practical for long time use. -Easily attach the fire extinguisher to the seat back for safer use, will not easy to break. -Can be easy to hanging on car headrest , window sill, stair handrail, fence and more. -Simple and useful design, compact and lightweight, convenient to carry. -Easily installed and light weight, help to make the car interior clean and neat. Package list: 1 fire extinguisher bag