: Many frames utilize TR90 grilamide , a rubber-like material that is both strong and flexible. It is designed to "mould itself" around the wearer's head, often eliminating the need for manual heat adjustments.
“Item was as described and a great value. Highly recommend and would order from again.” eBay Popular Product Examples Go to product viewer dialog for this item. Eyefunc Designer Eyeglasses
“Designer EyewearUSA on eBay offers a massive selection of glasses... acquired an impressive 5-star, positive feedback from customers— including me” eBay
Buyer feedback from marketplaces like eBay and Eyefunc USA reflects a positive ownership experience: