Proposed procurement for NSNs 8105-00-142-9345, 8105-01-336-6163, 8105-01-467-0402, 8105-00-782-2709 Polypropylene, Sand Bags. The solicitation is an RFP and will be available at the link provided in this notice. Hard copies of this solicitation are not available. Specifications, plans, or drawings are not available. All responsible sources may submit a proposal which, if timely received, shall be considered. Proposals must be submitted electronically.