In order to examine the determinants of new product success, 217 winning products in Korean market are analyzed with a focus on merchantability. For the purpose of the analysis, dimensions of products are classified into function, aesthetics, economy, safety, usability, reliability, brand image, assurance, distribution channel, advertisement, DFE(desing for the environment). The major dimensions of sinning products were identified for each category of the products. The results this study would be a cue to the future direction of new product development.