The images and descriptions are of similar products. Please be sure to check the actual photos. If you have any questions, please feel free to ask. Features: External dimensions: 300mm x 600mm (W*L); Material: APET/CPP; Thickness: 15 silk on both sides Please note: The inner width size (effective size may be 5-10mm shorter than the listed size due to the manufacturing method) How to use: Suitable for storing static-sensitive electronic components such as hard drives, RAM, processors, and I/O cards. Ideal for transfers between companies. Suitable for people who handle various computer parts/electrical components. Package contents: 50 x Anti-static shield bags 0236 uxcell Anti-Static Bags Shield Bags Flat Open Top 300mm x 600mm Pack of 50