Using this gift set is easy. The watch can be worn on your wrist just like any other watch. Simply adjust the concealed buckle to fit your wrist comfortably. The pen can be used for writing right away. The perfume can be sprayed on your clothes or skin to give you a pleasant scent. The keychain can be attached to your keys. For the belt and wallet, they are ready to use as soon as you get them. When it comes to maintenance, keep the watch away from water as it's not waterproof. Wipe the watch with a soft cloth regularly to keep it clean. For the perfume, store it in a cool and dry place. The pen should be refilled when the ink runs out. The belt and wallet can be cleaned with a mild leather cleaner if they get dirty.