GARDEN CITY - Post-Christmas sales are expected to be bigger than ever this year.

Roosevelt Field Mall shoppers that spoke with News 12 Long Island say they weren't just returning gifts but also shopping. Many are taking advantage of the 40 to 75 percent off sales.

Experts say that the week after Christmas can account for 15 percent of what retailers make throughout the entire holiday season.

The day after Christmas is also a huge day to buy things with gift cards.