This is lot of 5  Brand New item,

7mm to 9.5mm Spacer for 2.5" Solid State Drive or Hard Drive for Laptops,

Used to fill the extra space when a 7mm drive is installed into a 9.5mm slot to prevent the drive from rattling in the slot, 

spacers do have the peel-and-stick adhesive

USPS with tracking number for each shipment,

Thnaks