Wal-Mart has unveiled plans to open a Sam's Club warehouse catering for Hispanic families in the US.

The giant retailer said Mas Club, with an "expanded assortment of imported products from Mexico" was set to open during the first half of next year in Houston.

Products on sales at Mas Club will include a "unique selection" of Hispanic foods and international brands.

Membership to the Mas Club will be exclusive; existing Sam's Club members would need to buy a separate membership to shop at the 143,000 sq. ft. facility, Wal-Mart said.

"Our objective is to create an additional shopping choice that provides currently unavailable value for families, restaurant owners, convenience stores and more," said Sam's Club president and CEO Doug McMillon.