Pringles Competitor is a term used to refer to two popular potato chip brands, Stax and Lays. Stax is a brand of potato chips produced by the American snack company, Frito-Lay, while Lays is a brand of potato chips produced by the British-based multinational food company, PepsiCo. Both brands are well-known for their unique flavor and texture, and are often seen as competitors in the potato chip market.