Individual boxEfferdent Anti-Bacterial Denture Cleanser box of 20 tablets kills 99.9% of odor-causing bacteria. Dissolve tough stains in hard-to-reach places, even in between teeth. Reduce buildup and remove food particles that can cause gum irritation. Can be used in any denture bath. Dentures may be soaked safely overnight. Recommended for use on full or partial dentures.