What is the most you will concern about while ordering an electric heating pad?

Before ordering an electric heating pad,first we may think about its funtion,such as relief pain, warm the body, muscle relaxation,improve blood circulation etc.

After checking further,we may consider more requirement as below:

1. Outward appearance of the cute and small or XL heating pad

2. Function:simple or multi function

3. Craftmanship

4. Quality

5. Design

6. Price

So what is the most you may concern about? Let's discuss together!