Shoulder bags are a type of bag that is worn over the shoulder and typically have a long strap. PURSES, which are also known as handbags, are a type of bag that is held in the hand or carried by a handle. SATCHELS are a type of bag that is usually rectangular in shape and has a single strap for carrying. All three types of bags are popular fashion accessories and can be used to store items such as wallets, keys, and other small items.