Test blood alcohol level of you, friends, children, etc. with portable breathalyzer (not included) without concern for contamination. Q3I-ACC-2710 is a pack of 10 plastic mouthpieces for use with the AlcoHAWK Slim 2 breathalyser (not included). Note: to reuse, wash in soap and water. Or clean with alcohol and let dry for at least 24 hours. Does NOT fit the Slim nor Slim Ultra model. Manufactured by Q3 Innovations.