Specific:The nose pads can prevent the glasses from sliding, whatever you do High-quality silicone material, D-type is designed with artificial mechanics, comfortable and non-slip, giving you a better experience.Instruction：The nose pads are self-adhesive and only need to be torn apart and attached to the correct position of the frameTo ensure viscosity, remove dirt from the frame before use, and press the nose pad on it for a few minutesPlease try to avoid repeated paste, it is best to do it once.Package includes:1 Plastic bag12 pairs of silicone nose padsColor: clear，blackSize:18mm, thickness: 1mmNotice:The nose pad is a silicone product. Please do not rinse with water, and do not paste it after falling.Don't repeat paste, twice adhesive will affect the nose pads' viscosity.100% money back if you don't satisfied with our eyeglass nose pads. Feel free to contact us if you have any questions.