This is a foldable straw capsule box set. It does not contain BPA, is made of silica gel, and is non-toxic and tasteless. The collapsible silicone straw with the box can be reused and durable. The travel straw with the box is more environmentally friendly than disposable plastic reusable straws. A reusable silicone straw cover makes the straw very portable, which is very suitable for traveling. It is also equipped with a reusable silicone cleaning brush with straws for easy movement and cleaning.