CUSTOMER SERVICE GAURANTEE: All our products delivered by , this means you can receive your order in the shortest time. Easy-touch services, any problem, please don’t hesitate to contact us. We will always be here to help you to solve the issue as soon as possible. SOFT GERMANY NYLON SPIRAL BRISTLES: Our natural bamboo toothbrushes use BPA Free Super Soft Germany imported nylon soft bristles that provide just the right care to keep your gums healthy and teeth white. The bristles are made with innovative technology and the dimeter is only 0.02 mm which can deepen into teeth and are gentle to your gums. Therefore the clean ability of spiral bristle is doubling greater than others. And the bristle is also extra soft which can protect your gums from bleeding. PACK OF 4 NATURAL BAMBOO TOOTHBRUSH: This set of 4 eco-friendly toothbrushes is a perfect choice for any family that wants to live the green life. These plastic free biodegradable toothbrushes have more positive effects on your teeth and as well as the environment in a lot of ways as compared to your traditional. toothbrush, and these portable toothbrushes are even way more convenient to use. UNIQUE ECO-FRIENDLY HUMANIZED DESIGN: The wooden toothbrush handle is made of natural biodegradable bamboo; Bamboo handles painted with different color environmental paint which can not only make it easy to distinguish for family member but protect the handle from moisture. BAMBOO TOOTHBRUSH BRIGHTEN YOUR SMILE: Fcysy bamboo toothbrushes are made of soft BPA-Free Germany imported nylon spiral bristles which can remove all dirty on your teeth, whiten your teeth, strengthen your enamel and make your breath minty fresh.