Designed especially for the NEW sippy cup: The replacement straws and cleaning brush are tailored to fit the new b.box sippy cup, ensuring a perfect fit and functionality. New replacements contain two straws, ONE weight: Each replacement set includes two straws and one weight. This provides a complete solution for replacing worn-out or lost parts of the sippy cup. Dishwasher safe: Both the replacement straws and the cleaning brush are dishwasher safe, making cleaning and maintenance convenient and hassle-free. This set is designed to extend the life of your b.box sippy cup, ensuring that you always have spare parts on hand when needed. It offers peace of mind to parents and caregivers, knowing that they can easily replace components of the cup without having to purchase an entirely new one. (description exceeds maximum possible length)