Easy to carry , can be hung on the through the keyring It is a perfect hand-held glass , It is the best old people and children keyring magnifier with clear lens , pocket size , great for purse , pocket , wallets or glove compartment in car , portable to take with you 20X magnifier with 22mm / 0.9 inch width lens , metal protective case , anti-scratch and Foldable design , retract lens when not in use, Manufacturer: Watreketal