Bamboo straws 12-pack includes two cleaning brushes and complete with a convenient linen pouch. These straws are made of all natural bamboo, a renewable and fast-growing grass. It is machine washable, but each kit comes with two cleaning brushes to help keep them at their best. Washable and reusable at least 100 times in the dishwasher. They are zero-waste with plastic-free packaging. These straws will biodegrade and compost naturally unlike plastic and are much sturdier than paper alternatives. Each bamboo straw is 7.5 inches.