There are multiple boxes. Marpo Rose Ace Admixture for Plastering and Tile (Methylcellulose) Methylcellulose is essential for plastering work because it increases the adhesion and water retention of mortar. Matsumoto Yushi Seiyaku, through years of experience and research, has launched Marpo Rose Ace, a methylcellulose that dissolves easily in water, and has been well-received. It dissolves well even with the "empty mixing" method and can produce a moderate viscosity, making it much easier to use compared to conventional chemical adhesives. Features: * Easy to apply, improving workability. * Excellent adhesion. * Strong water retention. * Helps prevent cracking. * Results in beautiful walls.