Abstract
This study was intended to develop an efficient web-based instruction materials in clothing unit. The clothing unit was chosen because this unit was supposed to be appropriate to analyze and utilize web. By using languages of html asp, the study developed web materials to use this unit and constructed this unit into web site. Finally the study tried to examined educational effect by performing the constructed web site and representing some ways which can be applied in the classroom. The result of this study can be summed up as follows: $\circled1$The web materials were developed with steps of planning longrightarrowdesigninglongrightarrowdevelopmentlongrightarrowevaluation. In each step detailed activities, content analysis examples of developed materials, which presents the concrete procedures and directions were specified. $\circled2$The web materials were developed to be able to change an add up the materials in the web site. $\circled3$The web materials were developed by teaching-leaning model and the lesson plan, and then they are applied. $\circled4$Instruction materials were developed according to the lesson plan and in concrete ways.