An XPS foam has some properties as EPS, but it’s easier to cut than polystyrene because XPS foam can be sawed with hand tools like a jigsaw or handsaw. In contrast, polystyrene needs special equipment called an electric trim router which costs hundreds of dollars. In addition, XPS foam tends not to warp when exposed to moisture over time, so you may get better durability if your XPS products have regular exposure to water or other corrosive materials such as salt air from coastal regions where: "Styrofoam is a type of plastic foam that's used for insulation and packaging." It comes in both solid forms (think packing peanuts) or an expanded version, which can be shaped into many different things like snowmen! XPS foam is another name given to the styrene-butadiene-styrene variety of polystyrene sheets. XPS has become popular because it doesn't contain any harmful chemicals such as benzene or asbestos-like other types of plastics do - though you should always wear gloves when handling XPS sheets because they're still a material made from petroleum-based materials that are known carcinogens.