The light-weight, chemical-free, and microbe-resistant bamboo straws are ideal for children as well unlike plastic straws which leech chemicals during use. Easy to clean, they can be shaken clean with soap and water or you could use the straw cleaner available on our website. Unlike disposable plastics straws, our reusable straws are biodegradable, and eco-friendly and does not contribute to the millions of tonnes of plastic waste being disposed of every year. Every sip you make will make a difference and help protect our wildlife and environment. Cleaning Your Straws: Before first use and after each use: Soak in warm soapy water for 10-15 seconds, scrub with the included brush, rinse, then leave to air dry. Avoid soaking your straws for a long time. Not recommended for dishwashers.