Product Description This toothbrush for periodontal disease features a double effect that addresses concerns related to "gaps between teeth" and "weak gums." It is being released as a new design series that emphasizes "cleanliness" and "luxury," added to the existing double toothbrush series. Ingredients and Components [Material of Handle] Main Body ... Polypropylene Rubber Part ... SBC [Material of Bristles] Saturated Polyester Resin Safety Warnings - Brush gently to avoid damaging the gums. - After use, wash thoroughly under running water, shake off excess water, and store in a well-ventilated area. - Do not expose to chlorine-based disinfectants, bleaches, or boiling water as there is a risk of discoloration or deformation. - Replace when bristle tips become frayed. Notes (Disclaimer) > Please read carefully [Shipping Companies] Yamato Transport Co., Ltd., Sagawa Express Co., Ltd., Japan Post. [Please read carefully!] *For products that can be shipped via mail, non-standard size, Yu-mail, or letter pack, we will ship using the respective shipping method. Thank you for your understanding. (*Shipping company and method cannot be specified; please understand.) *Occasionally, there may be box