What makes AP Drip Mop Mini our best selling mop is its durability, size, and the beautiful drippy lines it's capable of creating. This marker has the perfect amount of squeezability that allows you to control your lines so you can get the desired amount of flow and drips in all the right places. This is a medium sized heavy-duty refillable squeeze marker. This marker features a threaded cap which makes it more reliable and ink doesn't leak from the marker. The 11mm felt tip nib marks on most surfaces and can be replaced easily. The Drip Mop Mini comes with one nib included. This 1.5oz marker is sold EMPTY. So just fill it with your favorite ink like Molotow Cocktail, Molotow On 4 All ink, or Smash Ink. This marker is REFILLABLE.