Collapsible Silicone Cup with Straw uses high quality silicone material.This product has good heat resistance and high temperature resistance. Even if you put it in your backpack or computer bag, it won't leak. It is foldable and portable after drinking, allowing you to rehydrate your body anytime, anywhere. It makes your outdoor activities more portable!Logo can be customized by screen printing. price above 1000 is via ocean freight