Premium Material: YUNGMAX straw cleaning brush is made of 304 stainless steel and high-density nylon bristles, more durable, high elasticity, not easy to rust or deform. Wide Application: This water bottle cleaning brush set can be applied for cleaning most narrow openings, the spout of a teapot, drinking straw, pipes, plug holes, and also is suitable for party, picnics, travel and offices, which is easy to clean and carry.
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