The Crosstex Advantage Saliva Ejector Tips in package of 100, model ZWWI, are dental instruments designed for healthcare professionals. These tips are specifically made for the Crosstex brand, ensuring compatibility and high-quality performance. The saliva ejector tips help to efficiently and effectively remove saliva from the patient's mouth during dental procedures, providing a clean and dry environment for the dentist to work in. With this product, dental professionals can maintain a sterile and hygienic workspace for improved patient care.