Andevan Eyeglasses Clip Strap/ Holder/ Retainer (Pack of 3 Pieces) Made in Taiwan; Ship from USA; 1 Order Including 3 Pieces Elastic Head Band Straps With Clip (Easy to Put On / Off) Adjustable to Hold Eyeglasses (sunglasses,reading glasses) Tightly or Loosely Not For Metal Temple or Straight Temple (Please See the Picture). Adjustable length: from 7.5" ~ 9.5"; Great for sporting