Yes, if you are a certified third-party seller on Walmart.com, you have the option to store products in a Walmart fulfilment centre. However, the seller must meet the requirements: products must ship to Walmart fulfilment centres from within the US, no perishable or regulated products, maximum product weight of 30 lbs (or 13.6 kg), and a maximum product dimensions: 25″ x 20″ x 14″ (or 63.5 cm x 50.8 cm x 35.56 cm).