– O.B. Tampons Organic Normal 64 PCS (4×16): For continuous protection, pair these tampons with ‘O.B. Tampons Organic Normal 16 PCS.’. – O.B. Tampons Organic Normal 32 PCS (2×16): Enjoy extended protection by using these tampons alongside ‘O.B. Tampons Organic Normal 16 PCS.’.