The Hintrment 2pcs Black Polyester Hat Clips are must-haves for both women and men, particularly for those who love outdoor sports and mountaineering. These travel gadgets serve two purposes - they keep your hat securely fastened when you're on the go, and they provide a handy place for hanging glasses. The hat clips come with a hanging glasses chain, which doubles as a hat holder, so you don't have to carry your glasses separately. Made from soft and lightweight polyester material, these clips are comfortable to wear and won't cause discomfort or irritation to your skin. With their practical design and stylish black color, these clips are a great addition to any outdoor gear or travel bag.