paint cup system includes: 1 piece 600ML hard cup, 50 600ML liner cups, 50 liner cups, 50 lids, 1 black retainer, 20 cup sealing plugs. The plastic measuring cup has only three parts, making it easy to install. It is compatible with the style airbrush adapter, not the 2.0 style. Note: If your airbrush port does not fit, you will need an additional airbrush adapter to fit the paint cup. Automatic clear paint cups use mL measurements and ratios of 2:1:1 3:1:1, 4:1:1, 5:1:1, 6:1:1, 6:1:1 and 7:1:1 ;No need to mix paint in extra paint mixing cup. Our paint mixing cups can be stored safely with lids and cup sealing stoppers. The remaining paint after spraying can be stored in the mixing cup for next use, avoiding waste and saving . Thanks to the screw connection between cup and lid, the cup always stays on the lid and on the spray , even if it touches obstacles. But in an emergency, the cover can be easily removed without staining the work area. spray paint cups are perfect for use with all types of fiberglass resins, automotive paints, primers, epoxies and commercial coatings, as well as stains, sealants, glue paints, varnishes, polyurethanes and enamels. Colour:As Shown Material:plastic Package Contents: 1 x 600ML Hard Cup 50 x 600ML Liner Cups 50 x Lids 1 x Black Retainer Ring 20 x Cup Sealing Plugs Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.