How are the male and female edge pieces used differently? . I want to create one 5x7’mat and two 2’x3’ mats and would like to finish them with the edging pieces. Which edging pieces do I need?

You may find edging pieces on the product page of our Designer Grip-Loc Tiles under "Accessories". You would need male & female edge pieces and male & female corner edge pieces for these tiles. If you look at the tile, you will see a side with loops that are called female pegs. You would use the male edge on this side. The side of the tile that does not have loops are called male pegs. You would use the female edges on this side. Please see our installation video here for more information https://youtu.be/KWlX6g9mrrA