Please find below some benefits of using metal or bamboo straws: 

1. Eco-Friendly: They're reusable, so you're helping the environment by reducing plastic waste.

2. Durability: These straws don't break easily, so you won't need to keep buying new ones.

3. Easy to Clean: Simple to wash and can go in the dishwasher.

4. Saves Money: Invest once, and you won't need to keep buying disposable straws.

5. Cool Aesthetic: They look nice in your drinks and add a little flair.

6. Portable: Easy to take with you on the go in your bag or pocket.

7. Hygienic: Less porous, so less likely to get gunky or harbor bacteria.

8. Non-Toxic: Made from safe materials for drinking.

9. Temperature Resistant: Works with hot or cold beverages.