On March 27th, Chiba Lotte Marines will hold the "XYLITOL presents 2026 OPENING GAME," a sponsored game by Lotte Co., Ltd., against the Saitama Seibu Lions Lions in their opening game. The first 20,000 attendees on the day will receive Xylitol gum.

On the day of the event, one of four types of xylitol gum (lime mint, fresh mint, clear mint, and citrus mint) will be distributed randomly at each entrance gate. Lime mint and fresh mint are "xylitol gum" which helps keep teeth healthy, while clear mint and citrus mint are "xylitol Auratect gum," a food for specified health uses that helps keep gums healthy.