Kardashian Kurves (Photo : Kardashian Kollection )

Kim, Khloe and Kourtney Kardashian have launched a contest in search for a plus-size model to rock their denim line Kardashian Kurves.

Kardashian Kurves has been created in collaboration with Sears. The line will feature three styles, each inspired by 31-year-old Kim, 28-year-old Khloe and 33-year-old Kourtney.

“It's a venture we're really thrilled about!” Khloe said on her blog.

The contest rules state that full-figured females above the age of 18 to send an essay explaining “what being ‘kurvy’ and ‘konfident’ means to you,” along with full-length photos of themselves.

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The winner of the contest will attend a photo shoot for “Kardashian Kurves” promotion in Los Angeles.

The prize includes a round trip to LA and one night's accommodation to make sure their model is in the best condition for the photo shoot.

The deadline for the competition is July 30, and the Kardashian sisters are set to find the finalist around August 6.