O.b. Original Normal Tampons with curved grooves provide reliable protection and StayDry technology for a dry retrieval string and a clean feeling. The curved grooves of o.b. are designed to efficiently and safely direct fluid into the interior of the tampon, ensuring you feel reliably protected. O.b. Original Normal Tampons are perfect for medium to heavier days. Since the tampons are individually wrapped, they are ideal for on-the-go use. The practical twist opening allows for easy and quick access.