The first advantage of owning a plastic frame eyeglass compare to metal ones is its lightness in weight, its style, and its durability. Compared to metal frames, plastic eyewear are light and convenient to wear. Plastic frames also offer more color varieties and options to the consumers to choose between. Plastic frame eyeglasses also feature a durability and sturdiness that makes it difficult to bend. However, under high temperatures because of the chemical composition, the plastic frame can possibly change its shape from its original style.