Wallets are usually designed to hold banknotes and credit cards and fit into a pocket or handbag. Small cases for securing
banknotes which do not have space for credit cards or identification cards may be classified as
money clips: this may also be used to describe small cases designed to hold
ISO/IEC 7810 cards alone. ;Breast wallet: Also called a "secretary wallet", this is a wallet in which banknotes are not folded. They are intended for men's breast pocket in a jacket, or for a handbag. Breast wallets will often hold cheques and other monetary documents as they are too large for storage in a pants pocket. ;Bi-fold wallet: a type of wallet in which the banknotes are folded over once. Credit cards and identification cards may be stored horizontally or vertically. ;Tri-fold wallet: a wallet with two folds, in which credit cards are generally stored vertically. ;Front pocket wallet: a case with no currency compartment and very few pockets for cards. Usually banknotes are folded and held in a wallet compartment. ;Money clip wallet: similar to a front pocket wallet in terms of size, with banknotes usually held in by a clip secured by a strong magnet. ;Long wallet: a larger wallet typically worn with jeans, fastened by a chain, strap, or leather band. Bills are held flat, and long wallets typically have a coin purse. Popularized by bikers to secure their wallets while riding a
motorcycle, smaller chained wallets became popular in 1970s−'80s
punk fashion and in the early 1990s with the
grunge fashion movement as well as
heavy metal fashion. Long wallets are popular with men in cash-based countries like
Japan and may reflect
Native American aesthetic influence. ;Wallet band: a type of wallet that uses a continuous elastic band, made of fabric or rubber, to secure cards and/or cash. Wallet bands reduce the bulk of a traditional wallet. ;Wristlet: a type of wallet that can be secured to the wrist, to keep one's hands free. ;Travel wallet: used by
travelers to hold essential documentation together, such as
passports,
tickets,
boarding passes, foreign currency,
traveler's cheques,
itinerary,
travel insurance,
hotel booking information, and other similar items. ;ID case/neck pouch: thin nylon or leather cases with plastic see-through compartments designed to hold an
ID card. Usually worn around the neck, many have extra pockets for holding small items, hence they also function as wallets. ;Shoewallet: a small pouch attached to a
shoe to be used as a wallet. Designed primarily to be worn during exercise. ;
Digital wallet: a computer file for maintaining digital currency. ;
Cryptocurrency wallet: a digital wallet where private keys are stored for cryptocurrencies like Bitcoin. ;Hardware wallet: a cryptocurrency wallet built as a separate physical device which identifies the owner, and lets the owner sign online transactions in a secure manner. ;Side by side wallet: divides the contents into two stacks instead of one, so it is half as thick. May be made of very thin fabric. Patented. ;L-Zip wallet: a rectangular shaped wallet with a zipper that runs along 2 sides of the wallet. ;Metal wallet: a slim wallet made from metal, usually
aluminum or
titanium. Can be found combined with other materials such as wood or leather. ;Credit card holder: a rectangular shaped wallet for holding credit cards. ;Cardholder zip wallet: a rectangular shaped wallet with a zipper for coins and credit cardholder. ;Checkbook: a wallet that can hold standard-sized cheques ;Envelope: a long wallet that has features similar to an envelope with a covering flap. ;Automatic wallet: a wallet with a mechanism that ejects inserted cards with a button to display them for use. Also known as a pop-up or cascading wallet. ;Tactical wallet: a functional wallet that incorporates a ruler, small saw, knife, bottle opener, or other tools. It is a thin, wallet-sized
multitool, with similarities to a
Swiss army knife. ;RFID blocking wallet: a wallet acting as a
faraday cage around proximity-sensing enabled cards. Can block
NFC &
RFID signals, preventing portable RFID readers from reading sensitive data. ==Materials==