One aspect of the invention relates to a transparent rubber-modified styrenic resin composition. The resin composition comprises about 5~30 parts by weight of a styrene-butadiene rubbery copolymer; and about 0 ~ 15 parts by weight of a matrix resin comprising about 20 ~ 40 parts by weight of styrenic monomer, about 30 ~ 60 parts by weight of unsaturated carboxylic acid alkyl ester monomer and about 0 ~ 15 parts by weight of vinyl cyanide monomer; wherein a difference of refractive index between the rubbery copolymer and the matrix resin is about 0.005 or less and said transparent rubber-modified styrenic resin composition has a haze of about 5 % or less as measured by a Nippon Denshoku Haze meter using a 3 mm thick test sample.
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