ArtBin-Paint Storage Tray: White. This storage tray is perfectly sized to hold most 4oz paint bottles, but is also perfect for paint tubes, brushes and more. Trays are stackable and can be wall mounted. Fits in Super Satchels 6990AB and 6925AB (sold separately). This package contains 6x12-1/2x3-1/2 inch paint storage tray with twenty-one 1-1/2x1-1/2 inch square openings.