Foldable wheels for you to switch between shoulder bags or expand to full size as a shopping cart, can be used as a tote or shoulder bag, it will stand up on its own when fully extended. The wheels hide under the bag, with magic tape to hold the frame when folded. Convenient to carry. The bag thick canvas, solid rubber wheels. It is a multipurpose bag, comes with small zipper pouch & hand strap adjustable. Suit for shopping, travel, vacations, camping, hiking, beach play, picnic, laundry, luggage, school supplies, and many more uses.