Material: Frame: soft-touch finished polycarbonate with flexible spring hinges; lenses: acrylic; case: felt. L:5.4" x H:1.5" x W:5.3” Made in: Taiwan Care Instructions: Do not use household cleaners on glasses. Use a soft dry cloth or dampened only with water. Rub gently with soft dry cloth to prevent streaking not use household cleaners on glasses. Use a soft dry cloth or dampened only with water. Rub gently with soft dry cloth to prevent streaking.