All-Day Comfort for Everyone, Elegant at Will for Glasses Wearers - Upgraded version glasses headbands are more comfortable for women girls. Based on the customers' feedback from our old version, we adopt the larger size, long teeth and better curved design to provide a better experience. We hope to provide professional headbands for glasses wearers and everyone deserves a set of no headache no pressure headband. Why are our headbands fit glasses wearers - Because our U-shaped design makes perfect sense, and curves away from the legs of the glasses to avoids the interference between the hairband and the glasses. You can comfortably wear your glasses with this headband on. They don’t pinch back behind the ears. Why are they more comfortable than average headbands - These headband curve the side arms toward the back of the head so that it doesn't get in the way of eyeglass temple pieces. They can reduce the pressure of the headband on the head, effectively enhancing wearing comfort for everyone who pursuit no headache no pressure headband. Does this glasses headband have a non-slip feature and long-time wearing - Yes, these plastic headband with teeth are designed with a non-slip feature. Each headband has 29 long and durable teeth to hold the headband in place, ensuring it doesn't slip. You can wear these all day.