Product Description A dual-effect toothbrush designed to address concerns related to "gaps between teeth" and "weak gums," providing solutions for periodontal disease. This new design series has been added to the existing double toothbrush lineup, emphasizing "cleanliness" and "luxury." Ingredients and Materials [Handle Material] Main body ... Polypropylene Rubber part ... SBC [Bristle Material] Saturated polyester resin Safety Warnings - Please 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. - To prevent discoloration and deformation, do not expose to chlorine-based disinfectants, bleach, or hot water. - Replace when bristles are frayed. Important Notice (Disclaimer) > Please read carefully [Shipping Carriers] Yamato Transport Co., Ltd., Sagawa Express Co., Ltd., Japan Post. [Please read carefully!] *For products eligible for delivery via mail services, non-standard items, Yu-Mail, or letter packs, we will ship using the respective delivery method. We appreciate your understanding. (*Please note that we cannot accommodate requests for specific carriers or delivery methods.) *Occasionally, boxes may arrive damaged during shipping; we