The Adjustable Silicone Glasses Chains Mask Extender Lanyards are designed to provide comfort and convenience while wearing glasses and a mask. These ear protectors can be easily installed on the glasses and feature a button design that allows for easy separation or connection of the mask and glasses. The length of the mask belt can be adjusted to maintain the most comfortable position and protect the ears. Whether you have a large or small face, these glasses mask holders are suitable for all people who wear glasses and want to relieve the pain caused by wearing a mask for a long time. Made of 100% silicone, these eyeglass hooks for masks are soft, durable, and do not turn yellow or hard over time. They are also easy to clean and can be reused. The adjustable design ensures a perfect fit for most glasses, including anti-blue glasses, sunglasses, and goggles. Whether you're driving, going to school, working, shopping, reading, or playing games, these light mask ear savers are suitable for multiple scenes. The package includes one box with two buttons. Please note that the product pictures may differ slightly from the actual colors due to different monitors and lighting. The product size is manually measured, so please allow a 1-2cm difference. Thank you for your understanding. Key Features: Easy installation on glasses Adjustable length for comfortable positioning Relieves pain caused by wearing a mask Made of soft and durable 100% silicone Suitable for most glasses Easy to clean and reuse Suitable for multiple scenes Package includes one box with two buttons