Advantages of plastics: 1).Generally most of the things that we use are plastics,from covers to chappels. 2).They are weightless as compared to metals. 3).They are easily accessible. 4).They are so cheap. 5).They are available in various colours. 6).They can be transported easily. 7).In case of vessels they are somewhat transparent. Disadvantages: 1).They emit CO2 when burnt. 2).They are non-degradable. 3).Plastic contents in soil block the soil pores and thus makes difficulty for plants to absorb water. 4).They cannot be disposed easily. 5).Use of plastics destroy environment. 6).They make disorders in our eco-system. 7).If accidently falls in any of our food items,when consumed makes a lot of stomach troubles.