1. **Material**: Hookah bowls are typically made from clay, silicone, or ceramic. Clay bowls heat evenly and enhance flavor, while silicone bowls are durable and heat-resistant. Choose a material based on your preference for taste and durability.

2. **Size and Capacity**: Consider the bowl size based on how much tobacco you want to use. Smaller bowls (like Egyptian bowls) are great for flavor, while larger ones (like Phunnel bowls) can hold more tobacco for longer sessions.

3. **Type of Bowl**:
- **Egyptian Bowls**: Traditional design, good for strong flavors, but can be prone to burning.
- **Phunnel Bowls**: Have a central hole and prevent shisha syrup from leaking, ideal for moistened tobacco.
- **Vortex Bowls**: Similar to Phunnel but with side holes, promoting airflow while retaining flavor.

4. **Design and Aesthetics**: Choose a bowl that matches your style. Some bowls come with artistic designs or colors that can enhance the look of your hookah setup.

5. **Heat Management**: Consider whether the bowl is compatible with heat management devices (HMD). HMDs can provide consistent heat and prevent burning your tobacco.

6. **Ease of Cleaning**: Some materials and designs are easier to clean than others. Opt for bowls that allow for easy maintenance to keep your sessions hygienic.

7. **Reviews and Recommendations**: Before buying, read reviews from other users to gauge performance, durability, and ease of use. Online forums and hookah communities can provide valuable insights.

By considering these factors, you can choose a hookah bowl that fits your smoking style and enhances your overall experience.