Materials: Cotton Diameter: 0.8cm, 1cm, 1.2cm, 1.4cm, etc Length: 3.8cm Made from high-quality medical-grade absorbent cotton as the core raw material, this medical dental sponge is manufactured via high-pressure sterilization and precision molding processes. It boasts three core features: superior water absorption, strong liquid retention, and lint-free performance, and is gentle and non-irritating when in contact with oral mucous membranes.Upon liquid absorption, it expands rapidly without tearing, quickly soaking up saliva, blood, and medical fluids in the oral cavity, thereby enhancing the safety and convenience of clinical procedures.