The phrase "plastic gloves" refers to gloves that are made of a material called plastic. These gloves are commonly used to protect hands from dirt, germs, chemicals, and other substances. Full definition
Use a clean towel or wear a pair of plastic gloves to rub off the outer skins. (en.christinesrecipes.com)
I would advise using plastic gloves for this job as the chipotle can burn your skin. (meatfreemondays.com)
* Note: Because hot chile peppers contain oils that can burn your skin and eyes, wear rubber or plastic gloves when working with them. (freedieting.com)