Pack of 6, approx 215mm long. Cleaning brush included. Why use disposable plastic straws when nature has a solution? Maistic Natural Drinking Bamboo Straws consists of nothing else just bamboo and can be washed and reused. Organically grown, pesticide free cut and hollowed out. Due to their nature they can vary in diameter but generally speaking the hollow is around 4-5mm. Comes with a cleaning brush included also plastic free, made with metal handle and sisal bristles. Plastic Free Natural Bamboo Cleaning Brush Fair Trade Washable How to use Maistic Natural Drinking Bamboo Straws; After use wash in hot water. Clean using the brush provided. Packaging; Recyclable box.