Glasses have a unique, lightweight design that allows them to sit firmly on your nose bridge without ear pieces. Fits most face sizes and shapes. UTILITY DESIGN: The Glasses have a nylon frame for lightweight and comfortable wear. The Glasses are compact and don’t have temple arms, making them perfect for portability and short occasions of use. Handy Carry: It "Can Be" Used With 3M Double Coated Tape That Can Be Stuck On The Back Of Your Mobile Phone Or Wallet Made Of High Quality TR90 Material Now Never Forget Your Handy Reading Glasses