Gonta's Toothbrushing Chewing Gum Trial Pack Strawberry Milk Flavor, 2 bags Contains L8020 Lactic Acid Bacteria Expiration Date: 2026.09 ☆ This is a semi-hard type of toothbrushing chewing gum with elasticity that is easy for small dogs to chew. Chewing removes tartar and supports the maintenance of healthy gums with the power of lactic acid bacteria. Instant purchase is welcome!