In another competition-heating move against Amazonand Whole Foods, Walmart-owned Jet.comrecently launched an in-house collection of household essentials. But, what’s the difference between the two e-commerce giants? Uniquely J, Jet.com’s new private-label household brand, offers around 50 curated panty essentials like coffee, cleaning supplies, laundry, pantry goods, paper products, and food storage, with more categories to come.