A payment card includes hidden features (e.g., textual messages, graphics, emphasis features associated with conspicuous features of the payment card, or the like) undiscernible under only visible light, but discernable under ultraviolet light. The hidden features can be incorporated into multiple layers of a side of the payment card and can be present with different transparencies, different colors, and different persistence.

A portable power bank with card storage function include a portable power bank module and a card case module; the portable power bank module and the card case module are slidably connected via a connector; the portable power bank module is provided with a guiding mounting rod; the guiding mounting rod is mounted in a sliding slot of the connector; the sliding slot is recessed inwards with an opening at each end thereof; the portable power bank module is assembled to the sliding slot via the guiding mounting rod; one side of the card case module is provided with a connecting strap which is hollow inside and opens at both ends; the connecting strap is connected to the connector via a connecting shaft. This invention has the advantages of providing users with the convenience of card storage and serving as a contingency power supply for supplying power to electronic devices. It serves multiple functions and is convenient for actual use. It is easy to carry, helps to prevent loss of properties, and suitable for users' needs. The card case module and the portable power bank module can be dissembled and used separately.

The object is in the event of a fire, you can use something close to you to prevent poisonous gas. A wallet-type smartphone case has face-apply part which can cover at least nose and mouth of a face, thereby to have such function of a smoke proof mask or gas mask and the face-apply part has a surrounding member, at least a part of the surrounding member is attached to the periphery of the body, the surrounding member can select a standing state and a lying down state, and the surrounding member takes the lying down state when used as a smartphone case, and takes the standing state when used as the smoke proof mask or gas mask.

A minimalist wallet is provided. The minimalist wallet includes a frame with an embedded magnetic material. A first band and a second band are attached to the frame. A securement mechanism is attached to the second band. The securement mechanism includes a magnet that is magnetically attachable to the embedded magnetic material. Alternatively, the frame may include the magnet that is magnetically attachable to a magnetic material embedded in the securement mechanism. The minimalist wallet is configured to retain receipts, coupons, credit cards, debit cards, and/or paper money, among others.

A payment card includes hidden features (e.g., textual messages, graphics, emphasis features associated with conspicuous features of the payment card, or the like) undiscernible under only visible light, but discernable under ultraviolet light. The hidden features can be incorporated into multiple layers of a side of the payment card and can be present at different transparencies. The hidden features, applied during manufacturing, can be i) selected (e.g., randomly or sequentially) from an available hidden features list; ii) supplied by user input; and/or iii) selected based on a user's previous hidden feature(s) (e.g., the same as or different from the previous hidden feature). A quality check can include comparing an image of the payment card illuminated under ultraviolet light with the selected hidden feature(s).

A wallet kit for a mobile electronic device or a mobile electronic device case. The wallet kit includes a wallet with a housing defined by walls of the housing. A wallet pocket configured to hold a card is formed by the walls. A wallet opening is formed in one of the walls and is configured to accept insertion of the card into the wallet pocket. An elastomeric bumper is arranged inside the wallet pocket.

A card clamp is provided. The card clamp includes a first clamping plate (1), a second clamping plate (2), a connecting belt (3), a first metal connector and a second metal connector. The first clamping plate (1) is provided with a first through groove (4), a first side surface (5) and a second side surface. The first side surface (5) and the second side surface are parallel to each other. The first through groove (4) penetrates through the first side surface (5) and the second side surface. The second clamping plate (2) is provided with a second through groove (7), a third side surface (8) and a fourth side surface, The third side surface (8) and the fourth side surface are parallel to each other. The second through groove (7) penetrates the third side surface (8) and the fourth side surface.

A mechanical wallet or cardholder can be opened using one hand by sliding a top or second plate along rails parallel to a bottom or first plate. A card arm forces cards in the cardholder (i.e., located between the first and second plates) out a second end of the cardholder in a fanned or stepped fashion. A magnet in the card arm and in a first end of the frame (opposite the second end of the cardholder and frame) cooperate to return and retain the card arm and first plate in the closed position. A card lock at the second end of the frame retains cards in the cardholder when the cardholder is in the closed position and allows the cards to be pushed from the second end of the cardholder by the card arm when the second plate is moved to the open position.

A shielding card holder system for providing a versatile protector and holder which shields wireless transmissions from a card such as a smartcard. The shielding card holder system generally includes a card protector adapted to shield wireless transmissions from a card such as a smartcard. A card holder is removably attached to the card protector, the card holder being adapted to removably receive cards of varying thicknesses. A protector magnet on the card protector is adapted to magnetically engage with a holder magnet on the card holder or the card holder itself to removably attach the card holder to the card protector. A securing member may be utilized to secure the card protector against an article of clothing, with the securing member including a securing magnet adapted to magnetically engage with the protector magnet through the clothing.

A pouch for removable attachment to a mobile phone case that affords easier holding of the phone case by the user as well as secure holding of personal items in the pouch. The pouch does not interfere with use of the phone camera or with mounting the phone on a charger or car mount. A strap with fasteners such as snaps or fasteners directly attached to the case hold the pouch to the case.