Don't Leave Home without your Roll-Up Sunglasses.  The handy storage case requires little space (2.5 x 1.5 inches) to always have a pair handy.  Great for outdoor activities (golf, fishing, boating, at the beach, gardening, and a wide range of outdoor uses.  Being Roll-Up these also help protect from side glare and are great for windy conditions.  Wear Prescription Glasses--no problem--they slide easily behind your galsses--no special fitting required--one size fits all.    The soft cord can easily be slipped over your head for out of the way transport.  With the low cost and small space needed why not get extra pairs for your glove box, sports bag, or boat.  NOTE: Not recommended for Skydiving or other extreme sports.