1. The painting rollers are made of high-density flat-knit acrylic, with a large amount of paint and high efficiency.2. A special hopper is designed in the tray for holding paint, effectively avoid the inconvenience when using the barrel paint.3. Considering the uniformity of the paint on the roller, we specially designed a uniform paint texture. When applying the paint, it is more even and more practical.4. The handle of this interior painting roller is a well-designed arc-shaped design, which is very comfortable to hold. The end has a hanging hole design, which is convenient for hanging and placing, saving space, and not easy to lose.How To Use1. Measure the height of the wall2. Assemble the roller brush and add extension rods (not included) as needed3. Before use, please immerse the roller in the water to fully infiltrate and shake off excess water4. Dip the paint evenly with a roller brush5. Brush the surface to be brushed from left to right in the up and down direction to make the paint evenly distributed6. Brush two or three times at a time7. Immediately after use, thoroughly clean the roller brush and supporting tools with clean water. Let it dry naturally after spinning off the water.Specification:Colour: yellow + whiteMaterial: acrylic + fluffPackage Contents:2 * 4 inch short hair roller diameter: 15mm2 * 4 inch 15 acrylic fiber drum diameter 15mm1 * 4 inch handle 6mmx26cm.1 * 4 inch trayOnly the above package content, other products are not included.Note: Light shooting 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.