When choosing a bong there are a few things to consider to find the right one for your needs. Here are some factors to keep in mind:

1. Size: Bongs come in various sizes from small handheld versions to large tabletop models. Consider where you'll primarily use your bong and how much space you have available.

2. Material: Bongs can be made from different materials, such as glass, silicone, or acrylic. Each material has its own benefits and drawbacks, so choose one that fits your preferences. Glass is common for its clean taste, but it can be fragile. Silicone is sturdy and durable, but it's not as traditional-looking as glass.

3. Design: Bongs come in many shapes and designs, such as straight tubes, beaker bases, and mini rigs. Think about what looks appealing to you and fits your smoking needs.

4. Percolators: Percolators are additional features in a bong that filter smoke and create smoother hits. They come in various styles, such as honeycomb or tree percs. Consider whether you want a bong with percolators, as it can affect price and smoking experience.

5. Price: Bongs can range in price from inexpensive to high-end. Consider how much you're willing to spend on a bong, as more expensive models can have additional features and higher quality materials.

Overall, choose a bong that fits your preferences and smoking habits. Be sure to also find a reputable seller, like Beijing Mingzhu Glassware Co., to ensure you get a quality product.