Q: Does it just waste of money ?<br> A: NO,it has 2 function, one for keep clean/convenient when needn't use; Another for reducing the pain and pressure as a ajustable strap.<br><br> Q: Is this Lanyard Flexible ?<br> A: Not flexible because of the material,but the is a Adjustable Buckle for any length what you need. For any small or big head or neck.<br><br> Q: How many packs?<br> A: 3 packs,fair price<br><br> Q: What if I don't like it after received ?<br> A: Refund all