Introducing our 10mm plastic straws that fit Stanley and Simple Modern cups perfectly! * Beautiful and matches your aesthetic * The perfect addition to any drink ware set This straw is not only visually appealing, but also functional and durable. It's great for sipping on all kinds of beverages, from smoothies to cocktails. Plus, it's a more eco-friendly alternative to disposable plastic straws. Sip in style and sustainability! * Suitable for use with 40 oz popular branded tumblers with handle & other type of drink ware * Designed to match seamlessly with our stylish straw toppers. Elevate your drinking experience!