Description Material: each foam swab is made of open-cell foam that is securely attached to a poly shaft Size: the length of the rectangular foam swab is 5.1 inches/130 mm, and the square head measures 0.9 x 0.5 inches/24 x 15 mm, the handle is 4.1 inches/104 mm long; the length of the foam tip is 2.52 inches/65 mm, and the square head measures 0.55 x 0.15 inches/14 x 4 mm, the handle is 1.97 inches/50 mm long Good Cleaning Tool: there are 2 main shapes, right for applying most occasions, durable and works great for cleaning electronic components Used For: these foam cleaning swabs are suitable for cleaning printers, computers, optical instruments, camera lenses, and most solvent-based print heads Quantity: the package includes 100 pieces of 5.1 inches foam swabs and 100 pieces of 2.52 inches foam tips, meeting your needs for different purposes