In terms of fabric contents, the abbreviation of pa stands for  nylon or polyamide. Fabric labels often have abbreviations, and  some of these generally accepted abbreviatio â¦ ns are for non-English  words.Answered. 5 Tips for Buying Fabric Fabric choice is very important to the success of your sewing and craft projects. 2  The wrong fabric can at best look strange, and at worst completely ruin a piece.