Sustainable, truly compostable straw that doesn't turn to mush and doesn't taste like paper COMPOSTABLE, BIODEGRADABLE: Made from bamboo fiber and plant starch. Breaks down at normal compost temperatures and conditions. Other materials only break down at temperatures over 140 F. DURABLE: Doesn't turn into mush or soften during use like paper straws. Great for hot or cold drinks. Can even be washed and used 2-3 times. TASTELESS (in a good way): Does not taste like paper or have any chemical taste. No dyes. LARGE DIAMETER OPENING, POINTED END: Great for boba tea drinks, thick smoothies, or shakes. 12mm in diameter. Unwrapped.