peiant 200PCS Small Tattoo Ink Cups and 200PCS Medium Tattoo Ink Cups with 2PCS Ink Cup Holder Size: S Tattoo Ink Cups: 8 x 9 x 13 mm M Tattoo Ink Cups: 12 x 10 x 17 mm Ink Cup Holder: 3.46 x 2.16 x 1.18 in / 8.8 x 5.5 x 3 cm, 6 holes per holder Features: 1. Made of plastic, it is waterproof, reusable and durable. 2. Perfect for used to hold pigment or ink for tattoo. It is easy to clean and store. 3.These tattoo ink caps are designed with unique base prevents inks from pouring and spilling. 4. The tattoo ink caps is the best choose for tattoo supplies.Suitable for professional tattoo artists or home use. 5. Tattoo Ink Cups, 2mixed Sizes ,which is very convenient for you.