When your indoor cat needs a convenient place to do business, a portable litter box can be a lifesaver for travel, multi-story homes, or just keeping things tidy. Our team researched and compared four top contenders to find the best options for 2026. We looked for designs that are easy to clean, fold or carry, and sturdy enough for daily use. Each pick passed our criteria for durability, odor control, and cat acceptance. Below, we share our verdicts and why we chose each product.

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