USB Dust Plugs Size: 14*6*8mm/0.55*0.24*0.31" (L*W*H). | Material: Made of silicone, soft and flexible material. Easy to put on and take off. | Great Protector: Keep the ports on your laptop or other device safe from lint, dust, and grime with anti-dust plugs that actually stay in place. | Pocket Size: Whether you have multiple devices in your household, or want to have extra sets on hand, 20pcs in one pack can meet your need.