Callowaymills. 3-ft x 6-ft Natural/Black Indoor or Outdoor Door Mat. Model # 102563672NP. Find My Store. for pricing and availability. Callowaymills. Calloway-mills (Coir/Vinyl) 3-ft x 6-ft Natural/Black Rectangular Indoor or Outdoor DOkayrative Hello Door Mat. Model # 100343672NBS.