Package Include:1 xFrame1 x Glasses Box1 x Glasses Bag1 x Myopic Spectacle Frame1 x Black Sling5 x Lens1 x Polarising Test Card1 x Glasses Cloth1 x Glasses PocketSpecifications:Features:- Anti-slip frame leg.- The sling of glasses is easy to carry.- UV400, high density and toughness material lenses.- PC glasses frame, lightweight and durable.- The flexibility is 20 times better than regular glasses.- Detachable myopia frame, Soft and removable nose support.- Super light frames, even if you wear long time, it also won't let you feel tired.- Sport head band is made of high elastic knitted fabrics, can according head circumference to adjust.Sport type: CyclingFrame material: Plastic cementLens material: PCFrame color: BlackLens: 5 Lenses,( colorful*1,yellow*1,transparent*1,blue*1,gray polarized*1).The installation steps of myopic lens:- Lift nose pad from spectacle frame.- The tiny holes of myopic spectacle frame correspond to the holes of spectacle frame.