R.I. Gen. Laws § 37-15-10: Litter bags.

The department shall design and produce a litter bag bearing the state anti litter symbol and a statement of the penalties prescribed herein for littering in this state. The department may make litter bags available to the owners of motor vehicles and watercraft in this state and may also provide litter bags at no charge at points of entry into this state and at visitor centers to the operators of incoming vehicles and watercraft.