Polban Basic Hip Seat, Navy Authentic Comes with a shoulder strap. In excellent condition as it has been used very little. There are no noticeable stains or scratches. No pets, no smokers. No box or instruction manual. Product Description↓ The Polban Basic has all the common functions of a hip seat. It doesn't stick too close, and it's easy to put the child in and take them out. A baby carrier that expands the parent-child experience.