[Sturdy & Durable Polypropylene Shell]: Made of high-quality and eco-friendly material, the PROfezzion PCB series memory card holder can effectively protect your memory cards from dust, shock, dirt, water splashing, and a weather-resistant seal | [Molded Rubber Lining]: The molded protective rubber lining has the characteristic of shock absorption, which can greatly reduce shock and impact to better protect your memory cards. Moreover, the molded rubber interior is strictly tailored to hold memory cards securely and snugly | [Snap-on Locking System]: The ergonomic locking system keeps the cards securely in the SD card wallet while allows you to open them with your finger easily | [Molded Eyelet]: The molded eyelet can attach the SD card storage to a strap or hook. With a compact and portable design, the case can be taken along conveniently. The PROfezzion PCB series SD card organizer will be a good partner for storing your memory cards | [Compatibility]: The SD card holder case adopts a compact design, the two sides both allow you to store 4 SD cards, a total of 8 slots. It was designed to hold up SD / SDXC / SDHC / SecureDigital Card