The straws are dishwasher safe, making cleaning convenient and hassle-free. With the inclusion of a weighted straw, it helps ensure that your child can easily access their drink from any angle without having to tilt the cup. Additionally, the cleaner provided allows for thorough cleaning of the straws, ensuring they remain hygienic for your child's use. This replacement set offers a practical solution for maintaining your child's b.box Sippy Cup, allowing for continued use and enjoyment.