because it is
Flammable Elasticity Water resistant
There are two types of plastic - thermoplastics and thermosetting plastic.Thermoplastics have high elasticity and low melting points whereas thermosetting plastics are brittle, solidifies over...
Acrylic is a useful and clear plastic that resembles glass, but has properties that make it superior to glass in many ways.
Plastic has these properties: it can be malleable, flexible (sometimes), can be strong, can be an insulator, it's a solid at room temp.
Considerations in Facial Plastic Surgery Part 2/2
How to Make a Butterfly With a Plastic Bottle
Considerations in Facial Plastic Surgery Part 1/2
How to Make Shrink Plastic Jewelry and Accessories