Purchased on Amazon, used twice during overseas travel. Worked without any problems. It shifts a little when you put a smartphone in it. [Product Specifications] ○ Waist size: Approximately 65cm to 90cm (waist is elastic + buckle type) ○ Size: Width 24.5cm x Height 13.5cm x Thickness approx. 1.3cm ○ Weight: 140g ○ Pockets: Front pocket, internal pocket, back mesh pocket ○ Specifications: Buckle type, hook-and-eye button, water-repellent finish, carabiner hook ○ Brand: Plaisiureux [Ultra-thin Passport Case] An ultra-thin passport case that can be worn around the waist and hidden under clothing. It's only about 1.3cm thick, so it's unnoticeable under your clothes, making it less likely to be targeted by pickpockets and providing peace of mind. Suitable for both men and women. It doesn't show through, so it won't interfere with your fashion. [Skimming Prevention] Uses RFID-blocking material. Protects your credit card information from skimming crimes that extract information from the outside. (The back mesh pocket is not covered.) [Double Pocket Design] The case has a double-layered structure with a pocket inside when you open the cover. It's safer to store more important items in the double pocket. Includes dividers for storing cards. [Usage Scenarios] Can be widely used in travel scenarios such as overseas travel, domestic travel, and moving around within accommodation facilities. Also useful for sports such as gyms and walking, outdoor activities and leisure such as outdoor festivals, camping, and fishing, and during disasters.