Free overnight shipping promotion begins Sunday, August 29, 2021 at 7:00 AM EST and ends Tuesday, August 31, 2021, 11:59PM EST. Minimum purchase of $100 required. Purchases prior to August 29, 2021 at 7:00AM EST and after August 31, 2021 at 11:59PM EST will not qualify for this promotion. No substitutions. Promotion available only at DuckHead.com.