The Walmart Buy Box is a feature on the Walmart Marketplace that highlights one seller's product on a product detail page as the default option for customers to add to their cart. Winning the Buy Box can significantly increase your sales on Walmart as it is the default option for customers to purchase the product from.

 Yes, that's correct! The Walmart Buy Box is a highly coveted feature for sellers on the Walmart Marketplace as it gives them increased visibility and a higher chance of making a sale. Winning the Buy Box is based on various factors, such as price, shipping time, seller rating, and inventory levels. The seller who meets these criteria the best is typically awarded the Buy Box. It's important for sellers to strive for Buy Box eligibility as it can help drive sales and increase their presence on the Walmart Marketplace.