Produced from 100% natural, biodegradable bamboo - No harmful chemicals, safe for users - Bamboo straws have 3 sizes: Size S: diameter from 4 to 6 mm Size M: diameter from 7 - 9 mm Size L: diameter from 10 - 12 mm Standard length: 20 cm. Bamboo straws have many applications in life: Bamboo straws drink smoothies, milk tea straws, disposable bamboo straws, Freshwater bamboo straws. Flexible when used with each drink to bring full taste to users. Bamboo straws are used by many objects: Bamboo straws for the cafe, Bank Bamboo Straws, Bamboo Straws for School, Bamboo Straws for Events, Bamboo Straws for Takeaway Beverages, Bamboo Straws for Families, Bamboo straws for restaurants environmentally friendly, bamboo straws.