Since the 50s and 60s, La Bella's DEEP TALKIN' BASS Stainless Steel Flat Wounds have been the choice of professional bass players and continue to be the standard for the best sounding Flat Wounds on the market. Packaged using MAP Technology (Modified Atmosphere Packaging) to prevent tarnishing and ensure freshness. NOTICE: This particular set is NOT suitable for basses with bridges that require strings to pass through the body of the instrument!