Review on 📁 Reletech 2.5" External Hard Drive Enclosure: SATA to USB 3.1 Tool-Free Clear Case for 2.5 Inch SSD & HDD - Supports UASP SATA by Bryce Wohlman

This clear plastic sleeve requires proper technique to open. It's easy to open once you know how. While holding the case in portrait mode with your right thumb on the lower right corner over the back of the circuit board, gently push with your thumb and the top half will hear a click. separated from the lower half. The top half of the case now slides effortlessly up and down the bottom half. Much luck!