It is made entirely from 100% organic bamboo, without any preservatives, bleach, or fungicides. It is a Vietnamese farmhouse run by a family of three, and each straw is carefully handmade, smooth to the touch, and durable. It can also be washed with the included cleaning brush or dishwasher and can be used again and again. It is recommended for the following people. ・ I want to reduce plastic waste ・ Because it is something that you put in your mouth, you want to choose natural materials. ・ I want to enjoy smoothies and shakes ・ I want to return it naturally after use (compost, etc.) ・ I want to make sustainable consumption choices ・ I want to carry my own straw * There are individual differences due to natural materials.