OTR .484 On The Run Flowpen Permanent Ink Refill 200ml for Street Art Empty Graffiti Markers, Mops and Dripsticks (Chocolate Brown) Several vibrant colors to choose from. Each .484 bottle is 200ml or a little under 7 ounces. Refills markers, squeezers, daubers, dripsticks, and mops UV and scratch resistant Works in OTR, Molotow, Grog, Krink, Montana, MTN, and Ironlak brand markers