The Pet Toilet Diaper market refers to the industry that provides disposable and reusable diapers for pets, primarily dogs and cats, to manage their waste and hygiene. As the global pet humanization trend continues, the Pet Toilet Diaper market size is estimated to be around $1.4 billion in 2025, with a growth outlook that indicates a significant expansion in the coming years. The market forecast suggests a compound annual growth rate (CAGR) of 7.5% during the forecast period of 2026-2033, driven by macro drivers such as increasing pet ownership, rising disposable incomes, and growing awareness about pet health and hygiene. The industry expansion is expected to be shaped by key forces such as technology shifts towards eco-friendly and sustainable products, regulatory changes, and shifting consumer behavior towards premium and convenient pet care products.