Stopper to prevent glasses from slipping, compatible with frame thickness of 4-10mm. - Product Name: Glasses Stopper - Compatible Frame Thickness: 4-10mm - Usage Example: Prevents glasses from slipping - How to Use: Wear over the ears - Care Instructions: Washable with water - Country of Origin: Made in Japan Thank you very much for your interest in this product among many others. We also have other clothing and miscellaneous items for sale, so please feel free to browse them along with this item. If you have any questions, please do not hesitate to ask. Please note that we work during the day, so responses to inquiries and questions may be delayed until the evening. Also, please be aware that this product is listed elsewhere, and there is a possibility that it may be sold out due to a purchase at another store. ☆We will adjust the price and offer a discount on shipping for combined purchases, so please let us know via the question section before bidding. Please understand that changes cannot be made after bidding. #ConvenienceGoods #GlassesStopper