FMI estimates that global sales of toilet cistern blocks reached a valuation of USD 2.2 billion in 2025. Market value is projected to reach USD 2.4 billion in 2026 and advance to USD 4.8 billion by 2036. Among product categories, chlorine-based formats are forecast to hold the leading position, capturing around 45% of total demand in 2026. Based on channel, supermarkets and hypermarkets are expected to remain the dominant retail outlets, accounting for close to 41% of overall sales in 2026.