Black Friday and Cyber Monday have come and gone, but Walmart and other retailers are offering one last sales event for holiday shoppers: Free Shipping Day.<br />Walmart is doing no-cost delivery with no upfront fees on Friday, Dec. 18, for Free Shipping Day 2015. AL.com reports the company had previously only been offering free in-store pickup or free delivery on orders over $50.<br />According to FreeShippingDay.com, more than 1,000 merchants are participating in the event, including Target, Bass Pro Shops, Express, Tommy Hilfiger, 1-800 Flowers, JCPenny, UGG Australia, Samsung, Sports Authority and more. Many are also offering special deals are select items as well.<br />To participate, every retailer must offer free shipping with no minimum purchase and guarantee delivery by Christmas Eve.