Extra Soft Bristles: The toothbrush bristles are made from soft nylon that gently massage the gum line and delivers a soft, yet effective brush while the tapered bristles help reach between teeth Durable and Eco-Friendly: The kid's bamboo toothbrush is biodegradable because it's 100% bamboo, which is stronger, harder than wood, and an eco-friendly alternative to plastic toothbrushes Dentist Approved: Dentists recommend only using our soft bristles toothbrushes because their wave-shaped design provides exceptional cleaning performance along the gum-line and in between the teeth Positive Affirmations: Get inspired every time when you brush with positive affirmations "Cavity Crusher" etched into the Moso bamboo toothbrush handle About PLUS ULTRA: We are rooted in sustainability, inclusivity, eco-conscious production, and philanthropy because elevated, clean, and high-quality products keep our planet clean and makes us smile