Dye sublimation technology uses heat sensitive transfer paper apply dye to a lanyard allows colors of fine lines, intricate logos and multiple colors are completely fused into fabric. The choice of fabric colors is virtually unlimited. You can choose any PMS color for your lanyard and it is the best choice for photo quality and no-edge printing. Also, don't think it is an expensive technology, it can be the most economical method for multi-color imprints on large quantities. Standard "J" hook.