These RAM sticks have never been used before. They came in a box set so there is no individual coverings for the sticks. The Axiom 16GB DDR4-3200 PC4-25600U 1Rx8 288-Pin Desktop Memory RAM is a high-performance memory module designed for desktop computers. With a total capacity of 32GB divided into 16GB per module, this DDR4 SDRAM operates at a fast bus speed of PC4-25600U. The UDIMM form factor and 288-pin design make it compatible with a wide range of desktop systems. This memory module is ideal for upgrading or replacing existing RAM modules to enhance the speed and efficiency of your computer for various tasks.